Vulnerability · Published Jan 5, 2026 · Assigned by VulDB

CVE-2025-15459UTT 进取 520W formUser strcpy buffer overflow

High 8.8

In plain English

A high-severity buffer overflow in 进取 520W from UTT. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 58% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.9%top 41.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627. Affected by this issue is the function strcpy of the file /goform/formUser. Such manipulation of the argument passwd1 leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly 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
UTT	进取 520W	1.7.7-180627

Weakness: CWE-120, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-339495 | UTT 进取 520W formUser strcpy buffer overflow vdb-entry, technical-description
VDB-339495 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #725816 | UTT 进取 520W v3v1.7.7-180627 Buffer Overflow third-party-advisory
https://github.com/cymiao1978/cve/blob/main/new/22.md related
https://github.com/cymiao1978/cve/blob/main/new/22.md#poc exploit