CVE-2026-1143

8.8 HIGH
Published: January 19, 2026 Modified: January 29, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://lavender-bicycle-a5a.notion.site/TOTOLINK-A3700R-setWiFiEasyGuestCfg-2e353a41781f8057a244ead07d5eaaff?source=copy_link
Source: cna@vuldb.com
Exploit Third Party Advisory
https://vuldb.com/?ctiid.341735
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.341735
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.735502
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://www.totolink.net/
Source: cna@vuldb.com
Product

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.1%
34th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-119 CWE-120

Affected Vendors

totolink

Related CVEs

CVE-2026-4577 2.4
CVE-2026-23555 N/A
CVE-2026-23554 N/A
CVE-2025-6229 6.4
CVE-2025-13997 5.3