Description
NETGEAR Multiple Routers httpd Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the httpd service, which listens on TCP port 80 by default. When parsing the strings file, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.




. Was ZDI-CAN-13709.
Published: 2024-05-07
Score: 8.8 High
EPSS: 5.6% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-21629 NETGEAR Multiple Routers httpd Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. When parsing the strings file, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-13709.
History

Tue, 24 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Netgear multiple Router Firmware
CPEs cpe:2.3:o:netgear:multiple_router_firmware:1.0.11.116_10.0.100:*:*:*:*:*:*:*
Vendors & Products Netgear multiple Router Firmware
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 14 Aug 2025 06:30:00 +0000

Type Values Removed Values Added
First Time appeared Netgear
Netgear d6220
Netgear d6220 Firmware
Netgear d6400
Netgear d6400 Firmware
Netgear d7000v2
Netgear d7000v2 Firmware
Netgear dc112a
Netgear dc112a Firmware
Netgear dgn2200v4
Netgear dgn2200v4 Firmware
Netgear ex3700
Netgear ex3700 Firmware
Netgear ex3800
Netgear ex3800 Firmware
Netgear ex6120
Netgear ex6120 Firmware
Netgear ex6130
Netgear ex6130 Firmware
Netgear ex7000
Netgear ex7000 Firmware
Netgear ex7500
Netgear ex7500 Firmware
Netgear lax20
Netgear lax20 Firmware
Netgear mr60
Netgear mr60 Firmware
Netgear mr80
Netgear mr80 Firmware
Netgear ms60
Netgear ms60 Firmware
Netgear ms80
Netgear ms80 Firmware
Netgear r6400
Netgear r6400 Firmware
Netgear r6400v2
Netgear r6400v2 Firmware
Netgear r6700v3
Netgear r6700v3 Firmware
Netgear r6900p
Netgear r6900p Firmware
Netgear r7000
Netgear r7000 Firmware
Netgear r7000p
Netgear r7000p Firmware
Netgear r7100lg
Netgear r7100lg Firmware
Netgear r7850
Netgear r7850 Firmware
Netgear r7900p
Netgear r7900p Firmware
Netgear r7960p
Netgear r7960p Firmware
Netgear r8000
Netgear r8000 Firmware
Netgear r8000p
Netgear r8000p Firmware
Netgear r8300
Netgear r8300 Firmware
Netgear r8500
Netgear r8500 Firmware
Netgear rax15
Netgear rax15 Firmware
Netgear rax20
Netgear rax200
Netgear rax200 Firmware
Netgear rax20 Firmware
Netgear rax35v2
Netgear rax35v2 Firmware
Netgear rax38v2
Netgear rax38v2 Firmware
Netgear rax40v2
Netgear rax40v2 Firmware
Netgear rax42
Netgear rax42 Firmware
Netgear rax43
Netgear rax43 Firmware
Netgear rax45
Netgear rax45 Firmware
Netgear rax48
Netgear rax48 Firmware
Netgear rax50
Netgear rax50 Firmware
Netgear rax50s
Netgear rax50s Firmware
Netgear rax75
Netgear rax75 Firmware
Netgear rax80
Netgear rax80 Firmware
Netgear raxe450
Netgear raxe450 Firmware
Netgear raxe500
Netgear raxe500 Firmware
Netgear rs400
Netgear rs400 Firmware
Netgear v6510-1fxaus
Netgear v6510-1fxaus Firmware
Netgear wndr3400v3
Netgear wndr3400v3 Firmware
Netgear wnr3500lv2
Netgear wnr3500lv2 Firmware
Netgear xr1000
Netgear xr1000 Firmware
Netgear xr300
Netgear xr300 Firmware
Weaknesses CWE-787
CPEs cpe:2.3:h:netgear:d6220:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:d7000v2:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:dc112a:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:dgn2200v4:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:ex3700:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:ex3800:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:ex6120:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:ex6130:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:ex7000:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:ex7500:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:lax20:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:mr60:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:mr80:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:ms60:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:ms80:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r6400v2:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r6700v3:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r7850:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r7960p:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r8300:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax15:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax200:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax20:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax35v2:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax38v2:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax40v2:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax42:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax43:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax45:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax48:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax50:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax50s:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax75:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rax80:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:raxe450:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:raxe500:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:rs400:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:v6510-1fxaus:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:wndr3400v3:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:wnr3500lv2:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:xr1000:-:*:*:*:*:*:*:*
cpe:2.3:h:netgear:xr300:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:d7000v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:dc112a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:dgn2200v4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex7500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:lax20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:mr60_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:mr80_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ms60_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ms80_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6400v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6700v3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7850_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax15_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax35v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax38v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax40v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax42_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax43_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax45_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax48_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax50s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:raxe450_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:raxe500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:v6510-1fxaus_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wndr3400v3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wnr3500lv2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:xr1000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:xr300_firmware:*:*:*:*:*:*:*:*
Vendors & Products Netgear
Netgear d6220
Netgear d6220 Firmware
Netgear d6400
Netgear d6400 Firmware
Netgear d7000v2
Netgear d7000v2 Firmware
Netgear dc112a
Netgear dc112a Firmware
Netgear dgn2200v4
Netgear dgn2200v4 Firmware
Netgear ex3700
Netgear ex3700 Firmware
Netgear ex3800
Netgear ex3800 Firmware
Netgear ex6120
Netgear ex6120 Firmware
Netgear ex6130
Netgear ex6130 Firmware
Netgear ex7000
Netgear ex7000 Firmware
Netgear ex7500
Netgear ex7500 Firmware
Netgear lax20
Netgear lax20 Firmware
Netgear mr60
Netgear mr60 Firmware
Netgear mr80
Netgear mr80 Firmware
Netgear ms60
Netgear ms60 Firmware
Netgear ms80
Netgear ms80 Firmware
Netgear r6400
Netgear r6400 Firmware
Netgear r6400v2
Netgear r6400v2 Firmware
Netgear r6700v3
Netgear r6700v3 Firmware
Netgear r6900p
Netgear r6900p Firmware
Netgear r7000
Netgear r7000 Firmware
Netgear r7000p
Netgear r7000p Firmware
Netgear r7100lg
Netgear r7100lg Firmware
Netgear r7850
Netgear r7850 Firmware
Netgear r7900p
Netgear r7900p Firmware
Netgear r7960p
Netgear r7960p Firmware
Netgear r8000
Netgear r8000 Firmware
Netgear r8000p
Netgear r8000p Firmware
Netgear r8300
Netgear r8300 Firmware
Netgear r8500
Netgear r8500 Firmware
Netgear rax15
Netgear rax15 Firmware
Netgear rax20
Netgear rax200
Netgear rax200 Firmware
Netgear rax20 Firmware
Netgear rax35v2
Netgear rax35v2 Firmware
Netgear rax38v2
Netgear rax38v2 Firmware
Netgear rax40v2
Netgear rax40v2 Firmware
Netgear rax42
Netgear rax42 Firmware
Netgear rax43
Netgear rax43 Firmware
Netgear rax45
Netgear rax45 Firmware
Netgear rax48
Netgear rax48 Firmware
Netgear rax50
Netgear rax50 Firmware
Netgear rax50s
Netgear rax50s Firmware
Netgear rax75
Netgear rax75 Firmware
Netgear rax80
Netgear rax80 Firmware
Netgear raxe450
Netgear raxe450 Firmware
Netgear raxe500
Netgear raxe500 Firmware
Netgear rs400
Netgear rs400 Firmware
Netgear v6510-1fxaus
Netgear v6510-1fxaus Firmware
Netgear wndr3400v3
Netgear wndr3400v3 Firmware
Netgear wnr3500lv2
Netgear wnr3500lv2 Firmware
Netgear xr1000
Netgear xr1000 Firmware
Netgear xr300
Netgear xr300 Firmware

Subscriptions

Netgear D6220 D6220 Firmware D6400 D6400 Firmware D7000v2 D7000v2 Firmware Dc112a Dc112a Firmware Dgn2200v4 Dgn2200v4 Firmware Ex3700 Ex3700 Firmware Ex3800 Ex3800 Firmware Ex6120 Ex6120 Firmware Ex6130 Ex6130 Firmware Ex7000 Ex7000 Firmware Ex7500 Ex7500 Firmware Lax20 Lax20 Firmware Mr60 Mr60 Firmware Mr80 Mr80 Firmware Ms60 Ms60 Firmware Ms80 Ms80 Firmware Multiple Router Firmware R6400 R6400 Firmware R6400v2 R6400v2 Firmware R6700v3 R6700v3 Firmware R6900p R6900p Firmware R7000 R7000 Firmware R7000p R7000p Firmware R7100lg R7100lg Firmware R7850 R7850 Firmware R7900p R7900p Firmware R7960p R7960p Firmware R8000 R8000 Firmware R8000p R8000p Firmware R8300 R8300 Firmware R8500 R8500 Firmware Rax15 Rax15 Firmware Rax20 Rax200 Rax200 Firmware Rax20 Firmware Rax35v2 Rax35v2 Firmware Rax38v2 Rax38v2 Firmware Rax40v2 Rax40v2 Firmware Rax42 Rax42 Firmware Rax43 Rax43 Firmware Rax45 Rax45 Firmware Rax48 Rax48 Firmware Rax50 Rax50 Firmware Rax50s Rax50s Firmware Rax75 Rax75 Firmware Rax80 Rax80 Firmware Raxe450 Raxe450 Firmware Raxe500 Raxe500 Firmware Rs400 Rs400 Firmware V6510-1fxaus V6510-1fxaus Firmware Wndr3400v3 Wndr3400v3 Firmware Wnr3500lv2 Wnr3500lv2 Firmware Xr1000 Xr1000 Firmware Xr300 Xr300 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2024-08-04T00:26:55.936Z

Reserved: 2021-06-17T19:27:05.662Z

Link: CVE-2021-34982

cve-icon Vulnrichment

Updated: 2024-08-04T00:26:55.936Z

cve-icon NVD

Status : Analyzed

Published: 2024-05-07T23:15:13.400

Modified: 2025-08-14T01:41:19.343

Link: CVE-2021-34982

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses