Is CVE-2026-11516 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-11516 being exploited in the wild.

How severe is CVE-2026-11516?

Medium severity, with a CVSS score of 5.5, published 8 June 2026.

Which products and versions are affected?

UTT HiPER 2610G up to 3.0.0-171107.

Is there a fix for CVE-2026-11516?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-11516 attacked?

It is attacked from the adjacent network, in a network appliance.

Am I affected by CVE-2026-11516?

Check whether you run UTT HiPER 2610G at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-11516: UTT HiPER 2610G buffer overflow in formNatStaticMap

CVE-2026-11516 · Severity: medium · CVSS 5.5 · Published 2026-06-08

A security vulnerability exists in the UTT HiPER 2610G enterprise router. An attacker with access to the local network could exploit this flaw to cause a system crash or potentially gain unauthorized control over the device. This could lead to network downtime or unauthorized access to internal traffic managed by the router.

Vendors: UTT.

Quick answers

Is CVE-2026-11516 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-11516 being exploited in the wild.
How severe is CVE-2026-11516?: Medium severity, with a CVSS score of 5.5, published 8 June 2026.
Which products and versions are affected?: UTT HiPER 2610G up to 3.0.0-171107.
Is there a fix for CVE-2026-11516?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-11516 attacked?: It is attacked from the adjacent network, in a network appliance.
Am I affected by CVE-2026-11516?: Check whether you run UTT HiPER 2610G at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A stack-based buffer overflow vulnerability exists in the UTT HiPER 2610G router up to version 3.0.0-171107. The issue is located in the 'strcpy' function within the '/goform/formNatStaticMap' component. By manipulating the 'NatBinds' argument, an attacker with low privileges and adjacent network access can trigger the overflow. This can result in a denial of service (system crash) or potentially remote code execution. Public exploit code has been reported for this vulnerability.

Affected products

UTT HiPER 2610G up to 3.0.0-171107

Timeline

2026-06-08: disclosed
2026-06-08: advisory

References

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