A stack-based buffer overflow vulnerability exists in the makeRequest.cgi binary of Linksys RE7000 routers (Firmware FW_v2.0.15_211230_1012). The arplookup function parses lines from /proc/net/arp using sscanf("%16s ... %18s ..."), storing results into buffers v6 (12 bytes) and v7 (20 bytes). Since the format specifiers allow up to 16 and 18 bytes respectively, oversized input can overflow the buffers, resulting in stack corruption. Local attackers controlling /proc/net/arp contents can exploit this issue to cause denial of service or potentially execute arbitrary code.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Thu, 13 Nov 2025 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-121
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 13 Nov 2025 16:45:00 +0000

Type Values Removed Values Added
Description A stack-based buffer overflow vulnerability exists in the makeRequest.cgi binary of Linksys RE7000 routers (Firmware FW_v2.0.15_211230_1012). The arplookup function parses lines from /proc/net/arp using sscanf("%16s ... %18s ..."), storing results into buffers v6 (12 bytes) and v7 (20 bytes). Since the format specifiers allow up to 16 and 18 bytes respectively, oversized input can overflow the buffers, resulting in stack corruption. Local attackers controlling /proc/net/arp contents can exploit this issue to cause denial of service or potentially execute arbitrary code.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-13T17:57:00.394Z

Reserved: 2025-09-26T00:00:00.000Z

Link: CVE-2025-60696

cve-icon Vulnrichment

Updated: 2025-11-13T17:41:04.244Z

cve-icon NVD

Status : Received

Published: 2025-11-13T17:15:49.630

Modified: 2025-11-13T18:15:53.587

Link: CVE-2025-60696

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.