CVE-2026-1149: Totolink LR350 POST Request cstecgi.cgi setDiagnosisCfg command injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-01-19 · updated 2026-06-17
Weakness: CWE-74

Description

A vulnerability was identified in Totolink LR350 9.3.5u.6369_B20220309. This issue affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument ip leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.

Affected products

Totolink LR350: 9.3.5u.6369_b20220309

References

https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setDiagnosisCfg-2e453a41781f800d9ba9c6da80b55276?source=copy_link
https://vuldb.com/?ctiid.341742
https://vuldb.com/?id.341742
https://vuldb.com/?submit.735695
https://www.totolink.net/

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