Is there a public exploit for CVE-2026-1143?

No public exploit for CVE-2026-1143 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-1143?

CVE-2026-1143 scores CVSS 8.7 (v4.0), rated high. EPSS puts the chance of exploitation in the next 30 days at 0.76%.

What does CVE-2026-1143 affect?

CVE-2026-1143 affects Totolink A3700R.

8.7 High

A weakness has been identified in TOTOLINK A3700R 9.1.2u.5822B20200513.

CVE-2026-1143

A weakness has been identified in TOTOLINK A3700R 9.1.2u.5822B20200513. 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.

Assessment

CVSS: 8.7 (v4.0)
Severity: High
EPSS: 0.76% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 19 January 2026
Last updated: 17 June 2026
Affected: Totolink · A3700R
Weakness: CWE-119, CWE-120
Assigner: cna@vuldb.com

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

At the source

References

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