CVE-2025-3666
MEDIUMTOTOLINK A3700R 9.1.2u.5822_B20200513 - Improper Access Control in setDdnsCfg Function
Title source: llmDescription
A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513 and classified as critical. Affected by this issue is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. The attack may be launched 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.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.304844
Permissions Required signature
permissions-required
https://vuldb.com/?ctiid.304844
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.551298
Exploit, Third Party Advisory exploit
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setDdnsCfg-1cb53a41781f8001b9c0f345a120e2e7?pvs=4
Product product
https://www.totolink.net/
Scores
CVSS v3
5.3
EPSS
0.0022
EPSS Percentile
44.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-284
CWE-266
Status
published
Products (1)
totolink/a3700r_firmware
9.1.2u.5822_b20200513
Published
Apr 16, 2025
Tracked Since
Feb 18, 2026