CVE-2025-15459

UTT 进取 520W formUser strcpy buffer overflow

HIGH
8.8
CVSS Score
Published: January 5, 2026 at 05:32 AM UTC
Updated: October 7, 2026 at 11:10 AM UTC
2 products affected across 1 vendor520W Firmware520W

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Severity
HIGH8.8
Exploit prediction
EPSS 0.9%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.7.7-1806271.7.7-180627
utt-520w (same device)
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.339495
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.339495
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.725816
RelatedExploitThird Party Advisory
Source: cverecord
https://github.com/cymiao1978/cve/blob/main/new/22.md
ExploitThird Party Advisory
Source: cverecord
https://github.com/cymiao1978/cve/blob/main/new/22.md#poc

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120CWE-119

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