CVE-2026-123959

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 flaw has been discovered in TOTOLINK CA300-PoE 6.2c.884. The impacted element is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument langType results in buffer overflow. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-119CWE-120

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

Referenced assets1 URL

By indicator

https://cve.now/CVE-2026-123958?release=CVE-2026-123959,CVE-2026-123960,CVE-2026-123961&utm_source=x&utm_medium=social&utm_campaign=cvedotnow&utm_content=rollup

Full discourse1 post

cve.now@cvedotnow1d
🆕 New CVEs TOTOLINK CA300-PoE: 4 critical CVEs Worst: remote buffer overflow in LAN setup CGI handler (CVE-2026-123958) No patch listed yet https://cve.now/CVE-2026-123958?release=CVE-2026-123959,CVE-2026-123960,CVE-2026-123961&utm_source=x&utm_medium=social&utm_campaign=cvedotnow&utm_content=rollup
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