CVE-2025-3663
MEDIUMTOTOLINK A3700R 9.1.2u.5822_B20200513 - Improper Access Control in Password Handler
Title source: llmDescription
A vulnerability, which was classified as critical, has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513. This issue affects the function setWiFiEasyCfg/setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi of the component Password Handler. The manipulation leads to improper access controls. The attack may be initiated 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.304841
Permissions Required signature
permissions-required
https://vuldb.com/?ctiid.304841
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.551295
Exploit, Third Party Advisory exploit
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyCfg-1cb53a41781f809f807efe1284f5eb1a?pvs=4
Product product
https://www.totolink.net/
Scores
CVSS v3
5.3
EPSS
0.0228
EPSS Percentile
84.9%
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