CVE-2026-31058: UTT Aggressive HiPER 1200GW v2.5.3-170306 was discovered to contain a buffer overflow in the timeRangeName par

Q: How do I fix CVE-2026-31058?

1200gw firmware: upgrade to newer than 2.5.3-170306. Exact commands for each OS are on this page.

Q: Is CVE-2026-31058 being exploited?

CVE-2026-31058 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-31058 affect?

CVE-2026-31058 affects 1200gw firmware. Severity is medium (CVSS 4.5). UTT Aggressive HiPER 1200GW v2.5.3-170306 was discovered to contain a buffer overflow in the timeRangeName parameter of the formConfigDnsFilterGlobal function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a cra

Q: How urgent is CVE-2026-31058?

Priority 25/100. Public exploit reference

Routine

MEDIUM 4.5UPGRADE

CVE-2026-31058 is a medium-severity flaw (CVSS 4.5) affecting 1200gw firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

UTT Aggressive HiPER 1200GW v2.5.3-170306 was discovered to contain a buffer overflow in the timeRangeName parameter of the formConfigDnsFilterGlobal function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.5 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-120
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 1200gw firmware UPGRADE

Affected: <= 2.5.3-170306

Fixed in: newer than 2.5.3-170306

Safe to downgrade to: no unaffected older release

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.

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-2026-31058?

1200gw firmware: upgrade to newer than 2.5.3-170306. Exact commands for each OS are on this page.

Is CVE-2026-31058 being exploited?

CVE-2026-31058 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-2026-31058 affect?

CVE-2026-31058 affects 1200gw firmware. Severity is medium (CVSS 4.5). UTT Aggressive HiPER 1200GW v2.5.3-170306 was discovered to contain a buffer overflow in the timeRangeName parameter of the formConfigDnsFilterGlobal function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a cra

How urgent is CVE-2026-31058?

Priority 25/100. Public exploit reference

Related CVEs

CVE-2026-31063 MEDIUM 4.5 UPGRADE UTT Aggressive HiPER 1200GW v2.5.3-170306 was discovered to contain a buffer overflow in the pools parameter o

References

← Back to latest CVEs