CVE-2026-2847
CVE-2026-2847 is a high-severity vulnerability in Utt 520 Firmware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- CVSS v2: 8.3
- CVSS v4: 7.3
- EPSS exploit prediction: 9% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-8468
- Weakness: CWE-77
- Affected product: Utt 520 Firmware
- Published:
- Last modified:
Description
A vulnerability was detected in UTT HiPER 520 1.7.7-160105. Affected is the function sub_44EFB4 of the file /goform/formReleaseConnect of the component Web Management Interface. The manipulation of the argument Isp_Name results in os command injection. The attack can be launched remotely. The exploit is now public and may be used.
Frequently asked questions
- What is CVE-2026-2847?
- A vulnerability was detected in UTT HiPER 520 1.7.7-160105. Affected is the function sub_44EFB4 of the file /goform/formReleaseConnect of the component Web Management Interface. The manipulation of the argument Isp_Name results in os command injection. The attack can be launched remotely. The exploit is now public and may be used.
- How severe is CVE-2026-2847?
- CVE-2026-2847 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-2847 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-2847?
- CVE-2026-2847 affects Utt 520 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-2847?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-2847 have an EU (EUVD) identifier?
- Yes. CVE-2026-2847 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8468.
- When was CVE-2026-2847 published?
- CVE-2026-2847 was published on 2026-02-20 and last updated on 2026-06-17.
References
- https://github.com/cha0yang1/UTT520CVE/blob/main/UTTRCE2.md
- https://vuldb.com/?ctiid.347083
- https://vuldb.com/?id.347083
- https://vuldb.com/?submit.753965
Affected products (1)
- cpe:2.3:o:utt:520_firmware:1.7.7-160105:*:*:*:*:*:*:*
More vulnerabilities in Utt 520 Firmware
- CVE-2026-2846 — High (CVSS 7.2): A security vulnerability has been detected in UTT HiPER 520 1.7.7-160105. This impacts the function sub_44D264 of the…
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