CVE-2026-18685
highpriority · track · 1EPSS 0.036 · 89 %ileEURUEPSS · scored 2026-10-27
A security vulnerability has been detected in GL.iNet GL-MT3000 up to 4.4.5. Impacted is the function set_upgrade of the file /cgi-bin/glc of the component modem.so. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–10
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (15)
External citations — patches, advisories, analysis.
- https://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/modem_set_upgrade_glc_rcecnnvd
- https://vuldb.com/cve/CVE-2026-18685cnnvd
- https://vuldb.com/submit/851593cnnvd
- https://vuldb.com/vuln/385611cnnvd
- https://vuldb.com/vuln/385611/cticnnvd
- https://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/modem_set_upgrade_glc_rceenisa_euvd
- https://vuldb.com/cve/CVE-2026-18685enisa_euvd
- https://vuldb.com/submit/851593enisa_euvd
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