CVE-2026-31059: A remote command execution (RCE) vulnerability in the /goform/formDia component of UTT Aggressive HiPER 520W v

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CRITICAL 9.8REMOTEMITIGATE

CVE-2026-31059 is a critical-severity flaw (CVSS 9.8) affecting 520w firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A remote command execution (RCE) vulnerability in the /goform/formDia component of UTT Aggressive HiPER 520W v3v1.7.7-180627 allows attackers to execute arbitrary commands via a crafted string.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-77
Published	2026-04-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: utt

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-06 15:17 UTCPublished CVE record published
2026-06-17 10:33 UTCUpdated Record last modified

utt 520w firmware MITIGATE

Affected: 1.7.7-180627

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.7.7-180627

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · python-googleapis-common-protos · FIXED · 1.75.5-1.fc46~bootstrap · FEDORA-2026-d911c4c4e6 · source

sudo dnf upgrade --advisory=FEDORA-2026-d911c4c4e6

Fedora ELN · see advisory · FIXED · FEDORA-2026-e3987c278f · source

sudo dnf upgrade --advisory=FEDORA-2026-e3987c278f

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/zxq0408/Vul202601/blob/main/9.md

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-31059?

520w firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-31059 being exploited?

CVE-2026-31059 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-31059 affect?

CVE-2026-31059 affects 520w firmware. Severity is critical (CVSS 9.8). A remote command execution (RCE) vulnerability in the /goform/formDia component of UTT Aggressive HiPER 520W v3v1.7.7-180627 allows attackers to execute arbitrary commands via a crafted string.

How urgent is CVE-2026-31059?

Priority 62/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-31067 MEDIUM 6.8 MITIGATE A remote command execution (RCE) vulnerability in the /goform/formReleaseConnect component of UTT Aggressive 5
CVE-2026-31065 MEDIUM 4.5 MITIGATE UTT Aggressive 520W v3v1.7.7-180627 was discovered to contain a buffer overflow in the addCommand parameter of
CVE-2026-31062 MEDIUM 4.5 MITIGATE UTT Aggressive 520W v3v1.7.7-180627 was discovered to contain a buffer overflow in the filename parameter of t

References

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