CVE-2026-1149 — MEDIUM (6.3)

Vulnerability 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.

CVSS Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Totolink	Lr350 Firmware	9.3.5u.6369_b20220309
Totolink	Lr350	-

Related Weaknesses (CWE)

CWE-74 CWE-77

References

https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setDiagnosisCfg-2e453a41ExploitThird Party Advisory
https://vuldb.com/?ctiid.341742Permissions RequiredVDB Entry
https://vuldb.com/?id.341742Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.735695Third Party AdvisoryVDB Entry
https://www.totolink.net/Product

FAQ

What is CVE-2026-1149?

CVE-2026-1149 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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 mani...

How severe is CVE-2026-1149?

CVE-2026-1149 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-1149?

Check the references section above for vendor advisories and patch information. Affected products include: Totolink Lr350 Firmware, Totolink Lr350.