CVE-2026-1155

Name: CVE-2026-1155
Creator: NVD / NIST
Published: 2026-01-19T13:16:20.36+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.79%

Last modified Jun 17, 2026

CVE-2026-1155 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. Affected by this vulnerability is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. Affected by this vulnerability is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.

Metrics

CVSS 3.1

8.8/10

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

CVSS 4.0

7.4/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.79%

51.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	Lr350 Firmware	9.3.5u.6369_b20220309

References

https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiEasyGuestCfg-2e453a41781f8034bae3d1a11066a8fb?source=copy_linkExploit, Third Party Advisory
https://vuldb.com/?ctiid.341749Permissions Required, VDB Entry
https://vuldb.com/?id.341749Third Party Advisory, VDB Entry
https://vuldb.com/?submit.735718Third Party Advisory, VDB Entry
https://www.totolink.net/Product

Timeline

Published: Jan 19, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-1155?

How severe is CVE-2026-1155?

CVE-2026-1155 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1155?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-1155?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST