CVE-2025-3663
published 2025-04-16CVE-2025-3663: A vulnerability, which was classified as critical, has been found in TOTOLINK A3700R 9.1.2u.5822_B20200513. This issue affects the function…
PriorityP261high8.2CVSS 3.1
AVNACLPRNUINSUCNILAH
EPSS
8.77%
94.6th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| totolink | a3700r | — | — |
| totolink | a3700r_firmware | — | — |
CVSS provenance
nvdv3.18.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
nvdv4.06.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
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Suricata
ET WEB_SPECIFIC_APPS Totolink A3700R Multiple Authentication Bypass cstecgecgi.cgi Endpoints (CVE-2025-3663 - CVE-2025-3668)
suricata·2025-04-16·CVSS 6.9
CVE-2025-3665 [MEDIUM] ET WEB_SPECIFIC_APPS Totolink A3700R Multiple Authentication Bypass cstecgecgi.cgi Endpoints (CVE-2025-3663 - CVE-2025-3668)
ET WEB_SPECIFIC_APPS Totolink A3700R Multiple Authentication Bypass cstecgecgi.cgi Endpoints (CVE-2025-3663 - CVE-2025-3668)
Rule: alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Totolink A3700R Multiple Authentication Bypass cstecgecgi.cgi Endpoints (CVE-2025-3663 - CVE-2025-3668)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:20; content:"/cgi-bin/cstecgi.cgi"; fast_pattern; http.header_names; to_lowercase; content:!"|0d 0a|cookie|0d 0a|"; http.request_body; content:"|22|topicurl|22 3a 22|"; pcre:"/^(?:setL2tpServerCfg|setUrlFilterRules|setScheduleCfg|setUPnPCfg|setWiFiEasyGuestCfg|setWiFiEasyCfg|setSmartQosCfg|setDdnsCfg)/R"; reference:cve,2025-3665; reference:cve,2025-3666; reference:url,avender-bicycle-a5a.notion.site/CVE-1ab53a41781f804898a
No public exploits indexed.
No writeups or analysis indexed.
2025-04-16
Published