CVE-2026-121931

LOWCVSS 8.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A security vulnerability has been detected in Linksys WRT54GL 4.30.18. The impacted element is the function system of the file apply.cgi of the component Traceroute Diagnostic Function. Such manipulation of the argument traceroute_ip leads to os command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-77CWE-78

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-11-05: 111-05
Referenced assets1 URL
Full discourse1 post
  • cve.now@cvedotnow

    🆕 New CVEs Linksys products: 3 critical CVEs Worst: unauthenticated OS command injection in apply.cgi (CVE-2026-121932) No patch listed yet https://cve.now/CVE-2026-121932?release=CVE-2026-121933,CVE-2026-121931&utm_source=x&utm_medium=social&utm_campaign=cvedotnow&utm_content=rollup

    020941.4K
    21.7K followersView on X

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