CVE-2026-18613PoC

LOWCVSS 8.9 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft
Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

A vulnerability has been found in GL-iNet GL-MT3000 up to 4.4.5. This issue affects the function plugins.set_config of the file /cgi-bin/glc of the component plugins.so Native Plugin. Such manipulation leads to injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

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1.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-74CWE-707

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

Public PoC is present in monitored signal
1 mentions across 1 observed day

What's happening

PoC mentioned or linked in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

PoC

1100.0%

Referenced assets1 URL

By indicator

https://secalerts.co/vulnerability/CVE-2026-18613?utm_campaign=x

Full discourse1 post

SecAlerts@SecAlertsCo91d
PoC
🔌 GL-iNet GL-MT3000 routers (up to 4.4.5) have a PoC-backed injection flaw in plugins.set_config via /cgi-bin/glc. No auth needed, CVSS 8.9. CVE-2026-18613 #cybersecurity #vulnerabilities #ciso #cto #msp #mssp https://secalerts.co/vulnerability/CVE-2026-18613?utm_campaign=x https://t.co/66iXT9PPcw
Post summary
The post highlights a PoC-backed injection vulnerability in GL-iNet GL-MT3000 routers, noting it requires no authentication and has a CVSS score of 8.9, but it lacks details on active exploitation or patches.
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