CVE-2026-1157: Totolink LR350 cstecgi.cgi setWiFiEasyCfg buffer overflow
A vulnerability was identified in Totolink LR350 9.3.5u.6369B20220309. This affects the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument ssid leads to buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-1157?
CVE-2026-1157 is classified as a high severity vulnerability due to its potential for remote exploitation through buffer overflow.
How do I fix CVE-2026-1157?
To fix CVE-2026-1157, update the Totolink LR350 firmware to the latest version provided by the manufacturer.
What can attackers do with CVE-2026-1157?
Attackers can exploit CVE-2026-1157 to execute arbitrary code remotely by manipulating the ssid argument in the setWiFiEasyCfg function.
Which devices are affected by CVE-2026-1157?
CVE-2026-1157 affects the Totolink LR350 router with firmware version 9.3.5u.6369_B20220309.
How is CVE-2026-1157 exploited?
CVE-2026-1157 is exploited by sending crafted requests to the cstecgi.cgi script, leading to a buffer overflow vulnerability.