CVE-2026-1155 Details
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.
A buffer overflow vulnerability has been identified in the Totolink LR350 router running firmware version 9.3.5u.6369_B20220309. The issue arises in the function setWiFiEasyGuestCfg within the file /cgi-bin/cstecgi.cgi. The vulnerability can be exploited remotely by manipulating the ssid argument, leading to a buffer overflow condition.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 20, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiEasyGuestCfg-2e453a41781f8034bae3d1a11066a8fb?source=copy_link | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.341749 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.341749 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.735718 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.totolink.net/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| totolink lr350 firmware | 9.3.5u.6369_b20220309 |
CPE
Remediation
| |
| totolink lr350 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jan 29, 2026 | Initial Analysis | [email protected] |
| Jan 19, 2026 | New CVE Received | [email protected] |