This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400 and R6700 firmware version 1.0.4.98 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the upnpd service, which listens on UDP port 1900 by default. A crafted MX header field in an SSDP message can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-11851.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published: 2021-03-29T21:05:29

Updated: 2024-08-03T20:48:16.140Z

Reserved: 2021-02-16T00:00:00

Link: CVE-2021-27239

cve-icon Vulnrichment

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cve-icon NVD

Status : Analyzed

Published: 2021-03-29T21:15:12.377

Modified: 2021-04-02T14:03:08.407

Link: CVE-2021-27239

cve-icon Redhat

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