CVE-2025-3667
MEDIUMTOTOLINK A3700R 9.1.2u.5822_B20200513 - Improper Access Control in setUPnPCfg Function
Title source: llmDescription
A vulnerability was found in TOTOLINK A3700R 9.1.2u.5822_B20200513. It has been classified as critical. This affects the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to improper access controls. It is possible to initiate 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.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.304845
Permissions Required signature
permissions-required
https://vuldb.com/?ctiid.304845
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.551299
Exploit, Third Party Advisory exploit
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setUPnPCfg-1cb53a41781f802b8b16f973366ee5e3?pvs=4
Product product
https://www.totolink.net/
Scores
CVSS v3
5.3
EPSS
0.0023
EPSS Percentile
45.8%
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