Login Request a demo
High severity · published Jan 19, 2026
CVE-2026-1149
Totolink LR350 POST Request cstecgi.cgi setDiagnosisCfg command injection
8.8
CVSS
3%
EPSS
No
On KEV
Description
A vulnerability was identified in Totolink LR350 9.3.5u.6369_B20220309. This issue affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument ip leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.
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)3.0% · higher than 87% 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-2026-1149
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1149
Exploit
https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setDiagnosisCfg-2e453a41781f800d9ba9c6da80b55276?source=copy_link
Permissions Required
https://vuldb.com/?ctiid.341742
Third Party Advisory
https://vuldb.com/?id.341742
Third Party Advisory
https://vuldb.com/?submit.735695
Product
https://www.totolink.net/
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