CVE-2025-3664
mediumpriority · track · 0EPSS 0.006 · 49 %ileEURUUSEPSS · scored 2026-10-28
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.7–6.9
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
- totolink a3700r firmware= 9.1.2u.5822_b20200513nvdUScpe:2.3:o:totolink:a3700r_firmware:*:*:*:*:*:*:*:*
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (18)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-3664cnnvd
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyGuestCfg-1cb53a41781f805f9ee3f1b2d362d3f2cnnvd
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyGuestCfg-1cb53a41781f805f9ee3f1b2d362d3f2?pvs=4cnnvd
- https://vuldb.com/?ctiid.304842cnnvd
- https://vuldb.com/?id.304842cnnvd
- https://vuldb.com/?submit.551296cnnvd
- https://www.totolink.net/cnnvd
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyGuestCfg-1cb53a41781f805f9ee3f1b2d362d3f2?pvs=4enisa_euvd
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