VulnerabilityModified

CVE-2025-66737

Yealink T21P_E2 Phone 52.84.0.15 is vulnerable to Directory Traversal.

MEDIUM 4.3EPSS 0.67%

Does this matter?

Lower severity and a low EPSS score (0.67%). Track it; it rarely justifies an emergency change on its own.

Description

Yealink T21P_E2 Phone 52.84.0.15 is vulnerable to Directory Traversal. A remote normal privileged attacker can read arbitrary files via a crafted request result read function of the diagnostic component.

CVSS 3.1: 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS: 0.67% probability · 50th percentile
CISA KEV: Not listed
Weakness: CWE-23
Affected: yealink/sip-t21\(p\)e2 firmware
Source: cve@mitre.org

References

https://drive.google.com/file/d/1MpxnCL4koKupqWWDmY3ljlybjIPD8ieD/view?usp=sharingExploit

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.