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

Source: https://junglewise.ai/threats/cve-2026-11516-utt-hiper-2610g-buffer-overflow-in-formnatstaticmap  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-08. Updated: 2026-06-08  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/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

- [https://github.com/HungryGoogle/log_attack/tree/main/index1](https://github.com/HungryGoogle/log_attack/tree/main/index1)
- [https://vuldb.com/cve/CVE-2026-11516](https://vuldb.com/cve/CVE-2026-11516)
- [https://vuldb.com/submit/836275](https://vuldb.com/submit/836275)
- [https://vuldb.com/vuln/369136](https://vuldb.com/vuln/369136)
- [https://vuldb.com/vuln/369136/cti](https://vuldb.com/vuln/369136/cti)

## Related threats

- [UTT HiPER 2610G buffer overflow in formConfigDnsFilterGlobal](https://junglewise.ai/threats/cve-2026-11517-utt-hiper-2610g-buffer-overflow-in-formconfigdnsfilterglobal)