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Medium severity · published Apr 16, 2025
CVE-2025-3664
A vulnerability, which was classified as critical, was found in TOTOLINK A3700R 9.1.2u.5822_B20200513
5.3
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability, which was classified as critical, was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. Affected is the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
A3700r Firmware · Totolink
9.1.2u.5822_b20200513 · source: NVD
Affected product
AF
A3700r Firmware
Totolink
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-3664
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-3664
Exploit
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyGuestCfg-1cb53a41781f805f9ee3f1b2d362d3f2?pvs=4
Permissions Required
https://vuldb.com/?ctiid.304842
Third Party Advisory
https://vuldb.com/?id.304842
Third Party Advisory
https://vuldb.com/?submit.551296
Product
https://www.totolink.net/
Exploit
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyGuestCfg-1cb53a41781f805f9ee3f1b2d362d3f2
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TOTOLINK A3700R V9.1.2u.6165_20211012 was discovered to contain a stack overflow via ssid in the function setWiFiEasyCfg