PT-2025-6316 · Microsoft · Windows Telephony Service+1

Oruga · Published 2025-02-11 · Updated 2025-03-03 · CVE-2025-21371

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions: Windows Telephony Service (affected versions not specified)

Description: The issue allows remote attackers to execute arbitrary code and affect the system. It is a remote code execution vulnerability in the Windows Telephony Service.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

BDU:2025-02035

CVE-2025-21371

Affected Products

Windows

Windows Telephony Service

References · 13

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-21371 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21371 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-21371 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-02035 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21371 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/718203 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21371 · Security Note
• https://t.me/cvenotify/113257 · Telegram Post
• https://vicarius.io/vsociety/posts/windows-telephony-service-remote-code-execution-vulnerability-detection-script · Note
• https://twitter.com/vuldb/status/1889383035763827054 · Twitter Post
• https://vicarius.io/vsociety/posts/windows-telephony-service-remote-code-execution-vulnerability-mitigation-script · Note
• https://cybersecurity-help.cz/vdb/SB2025021195 · Note
• https://vuldb.com/?id.295312 · Note