Is there a public exploit for CVE-2026-122118?

No public exploit for CVE-2026-122118 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-2026-122118?

CVE-2026-122118 scores CVSS 7.4 (v3.1), rated high.

What does CVE-2026-122118 affect?

CVE-2026-122118 affects Yealink MeetingBar A50, MeetingBorard C, MeetingBar A10, SmartVision 80, MeetingBar A40, UVC40 E2.

7.4 High

In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8-digit numeric PSK with insufficient…

CVE-2026-122118

In certain Yealink products before 2026-04-15, when the Wi-Fi AP function is enabled, a default 8-digit numeric PSK with insufficient strength is used. Attackers can exploit this weakness via brute-force attacks to gain unauthorized network access and intercept Wi-Fi traffic.

Assessment

CVSS: 7.4 (v3.1)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 4 November 2026
Last updated: 4 November 2026
Affected: Yealink · AVHub · MeetingBar A10 · MeetingBar A40 · MeetingBar A50
Assigner: mitre

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

At the source

EUVD (ENISA)

References

https://www.yealink.com/en/trust-center/security-bulletins/wifi-ap-weak-password-vulnerability

Community proofs of concept

No community proof of concept yet. If you have one for a published vulnerability and the right to share it, add it below — it will appear here once reviewed.

Submit a proof of concept

Only for publicly disclosed vulnerabilities, and only material from testing you were authorised to perform. This platform does not buy, sell, or broker exploits — see earning from vulnerability research for legitimate bounty programs. Submissions are reviewed before they appear. Text only; do not include live credentials, personal data, or anything targeting systems you are not permitted to test.

Title *

Proof of concept *

Write-up (optional)

Affected versions (optional)

Name or handle (optional)

References (optional, one URL per line)

Licence for your contribution *

Private contact (optional, never shown)

Before you submit * This vulnerability is already publicly disclosed (it has a published CVE). This material comes only from testing I was authorised to perform. I have the legal right to publish this content and am not breaching any agreement by doing so. It contains no live credentials, personal data, or anything targeting systems I am not authorised to test. I understand it will be reviewed before it appears publicly and may be rejected. I agree to the submission terms.

What is 8 + 4? *

Query this programmatically

Agents can read this through the MCP endpoint, or over HTTP:

curl https://cve.zerocrew.in/api/cve/CVE-2026-122118