PT-2025-26663 · Tvt Dvrs · Tvt Dvrs

Ophir Harpaz · Published 2025-06-24 · Updated 2025-11-17 · CVE-2025-34036

Positive Technologies (AI Summary)

CVSS v4.0

10

Critical

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Name of the Vulnerable Software and Affected Versions: TVT DVR Cross Web Server (affected versions not specified)

Description: An OS command injection issue exists in the custom HTTP service called "Cross Web Server" that listens on TCP ports 81 and 82. The web interface fails to sanitize input in the URI path passed to the language extraction functionality. When the server processes a request to "/language/[lang]/index.html", it uses the [lang] input unsafely in a tar extraction command without proper escaping. This allows an unauthenticated remote attacker to inject shell commands and achieve arbitrary command execution as root.

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

Exploit

RCE

OS Command Injection

Weakness Enumeration

CWE-78

CWE-20

Related Identifiers

CVE-2025-34036

Affected Products

Tvt Dvrs

References · 11

• 🔥 https://web.archive.org/web/20160322204109/http://kerneronsec.com/2016/02/remote-code-execution-in-cctv-dvrs-of.html · Exploit
• 🔥 https://exploit-db.com/exploits/39596 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-34036 · Security Note
• https://t.me/cvenotify/128264 · Telegram Post
• https://t.me/cveNotify/143110 · Telegram Post
• https://twitter.com/0dayPublishing/status/1990546717553340701 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1937335037873058186 · Twitter Post
• https://t.me/cvenotify/126491 · Telegram Post
• https://t.me/latest_high_impact_cve/2791 · Telegram Post
• https://vulncheck.com/advisories/shenzhen-tvt-cctv-dvr-command-injection · Note
• https://twitter.com/CVEnew/status/1937344573841281291 · Twitter Post