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CVE-2026-1143

HIGH

8.8

Description

A weakness has been identified in TOTOLINK A3700R 9.1.2u.5822_B20200513. This affects the function setWiFiEasyGuestCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument ssid can lead to buffer overflow. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published1/19/2026

Last Modified1/29/2026

Sourcenvd

Honeypot Sightings0

Affected Products

totolink:a3700rtotolink:a3700r_firmware

Weaknesses (CWE)

CWE-119CWE-120

References

https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyGuestCfg-2e353a41781f8057a244ead07d5eaaff?source=copy_link(cna@vuldb.com)

https://vuldb.com/?ctiid.341735(cna@vuldb.com)

https://vuldb.com/?id.341735(cna@vuldb.com)

https://vuldb.com/?submit.735502(cna@vuldb.com)

https://www.totolink.net/(cna@vuldb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.