PT-2026-30622 · Utt 520W · Utt 520W

Zxq0408 · Published 2026-01-17 · Updated 2026-04-06 · CVE-2026-31065

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:A/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions UTT 520W versions prior to v3v1.7.7-180627

Description A buffer overflow exists in the formConfigCliForEngineerOnly() function of UTT 520W router firmware. Successful exploitation could allow a remote attacker to cause a denial of service. The vulnerability is located in the addCommand parameter of the formConfigCliForEngineerOnly() function.

Recommendations Update to version v3v1.7.7-180627 or later.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2026-04832

CVE-2026-31065

Affected Products

Utt 520W

References · 3

• 🔥 https://github.com/zxq0408/Vul202601/blob/main/8.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-31065 · Security Note
• https://bdu.fstec.ru/vul/2026-04832 · Security Note