CVE-2026-1156

Name: CVE-2026-1156
Creator: NVD / NIST
Published: 2026-01-19T14:15:49.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2026-1156 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability was determined in Totolink LR350 9.3.5u.6369_B20220309. Affected by this issue is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

A vulnerability was determined in Totolink LR350 9.3.5u.6369_B20220309. Affected by this issue is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ssid causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

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

0.62%

45.1th 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-setWiFiBasicCfg-2e453a41781f80a2ad43e85bf5d46659?source=copy_linkExploit, Third Party Advisory
https://vuldb.com/?ctiid.341750Permissions Required, VDB Entry
https://vuldb.com/?id.341750Third Party Advisory, VDB Entry
https://vuldb.com/?submit.735722Third 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-2026-1156?

How severe is CVE-2026-1156?

CVE-2026-1156 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1156?

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-2026-1156?

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

Scan your code now

Source: NVD / NIST