Login Request a demo
High severity · published Jan 19, 2026
CVE-2026-1158
Totolink LR350 POST Request cstecgi.cgi setWizardCfg buffer overflow
8.8
CVSS
0.7%
EPSS
No
On KEV
Description
A security flaw has been discovered in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Performing a manipulation of the argument ssid results in buffer overflow. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LR
LR350 · Totolink
9.3.5u.6369_B20220309 · source: vendor
LF
Lr350 Firmware · Totolink
9.3.5u.6369_b20220309 · source: NVD
Affected product
LR
LR350
Totolink
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1158
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1158
Exploit
https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWizardCfg-2e453a41781f80ce89cfc1d25049e279?source=copy_link
Permissions Required
https://vuldb.com/?ctiid.341752
Third Party Advisory
https://vuldb.com/?id.341752
Third Party Advisory
https://vuldb.com/?submit.735728
Product
https://www.totolink.net/
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