Critical severity · published Mar 8, 2026
CVE-2026-3696
Totolink N300RH CGI cstecgi.cgi setWiFiWpsConfig os command injection
9.8
CVSS
2.2%
EPSS
No
On KEV
Description
A vulnerability was found in Totolink N300RH 6..1c.1353_B20190305. The affected element is the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N3
N300RH · Totolink
6..1c.1353_B20190305 · source: vendor
NF
N300rh Firmware · Totolink
6.1c.1353_b20190305 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3696
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3696
Exploit
https://github.com/JXBbozaihuang/vuln-research/issues/2
Permissions Required
https://vuldb.com/?ctiid.349642
Third Party Advisory
https://vuldb.com/?id.349642
Third Party Advisory
https://vuldb.com/?submit.765681
Product
https://www.totolink.net/
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