Vulnerability · Published May 23, 2025 · Assigned by VulDB

CVE-2025-5105TOZED ZLT W51 Service Port 7777 heap inspection

High 7.3

In plain English

A high-severity security flaw in ZLT W51 from TOZED. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.5%top 59.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in TOZED ZLT W51 up to 1.4.2 and classified as critical. Affected by this issue is some unknown functionality of the component Service Port 7777. The manipulation leads to improper clearing of heap memory before release. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
TOZED	ZLT W51	1.4.01.4.11.4.2

Weakness: CWE-244 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

VDB-310082 | TOZED ZLT W51 Service Port 7777 heap inspection vdb-entry, mitigation
VDB-310082 | CTI Indicators (IOB, IOC) signature, permissions-required
Submit #568495 | TOZED ZLT W51 Wifi6 Router (Ooredoo) Firmware version 1.4.2 Information Disclosure third-party-advisory
https://github.com/Zephkek/LeakyTozed related
https://github.com/Zephkek/LeakyTozed#41-proof-of-concept exploit