RCE in Utt 520
CVE-2026-2846
A security vulnerability has been detected in UTT HiPER 520 1.7.7-160105. This impacts the function sub_44D264 of the file /goform/formPdbUpConfig of the component Web Management Interface. The manipulation of the argument policyNames leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.075 (94.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.098 · newest: 0.075 · change: -0.023
Affected products
- Utt 520 — versions 3.0
- Utt 520 Firmware — versions 1.7.7-160105
- Utt Hiper 520 — versions 1.7.7-160105
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/cha0yang1/UTT520CVE/blob/main/UTTRCE1.md (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-2846?
- CVE-2026-2846 is a high-severity vulnerability in Utt 520, classified under Command Injection. CVSS score: 7.2/10. Published 2026-02-20.
- How severe is CVE-2026-2846?
- High severity. CVSS v3 base score is 7.2 out of 10.