Vulnerability · Published Jan 11, 2026 · Assigned by VulDB

CVE-2026-0836UTT 进取 520W formConfigFastDirectionW 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 vulnerability was determined in UTT 进取 520W 1.7.7-180627. The impacted element is the function strcpy of the file /goform/formConfigFastDirectionW. This manipulation of the argument ssid causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. 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-340436 | UTT 进取 520W formConfigFastDirectionW strcpy buffer overflow vdb-entry, technical-description
VDB-340436 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #729018 | UTT 进取 520W v3v1.7.7-180627 Buffer Overflow third-party-advisory
https://github.com/Lena-lyy/cve/blob/main/1223/26.md exploit