CVE-2026-2981 UTT HiPER 810G formTaskEdit_ap strcpy buffer overflow
Remote attackers can trigger a buffer overflow in the UTT HiPER 810G router via the formTaskEdit_ap interface, potentially leading to code execution or service disruption.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2981?
CVE-2026-2981 is a high-severity memory corruption vulnerability in UTT HiPER 810G, published on 23 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in UTT HiPER 810G up to 1.7.7-1711. The affected element is the function strcpy of the file /goform/formTaskEdit_ap. The manipulation of the argument txtMin2 results in buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.
Which versions are affected by CVE-2026-2981?
It affects 1 product.
Products include Utt 810g Firmware.
How do I fix CVE-2026-2981?
No fix has been published for CVE-2026-2981 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-2981 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2981 exists.
Other vulnerabilities in UTT HiPER 810G
- CVE-2026-3814 UTT HiPER 810G getOneApConfTempEntry strcpy buffer overflow
- CVE-2026-3815 UTT HiPER 810G formApMail strcpy buffer overflow
- CVE-2026-3698 UTT HiPER 810G NTP strcpy buffer overflow
- CVE-2026-3699 UTT HiPER 810G formRemoteControl strcpy buffer overflow
- CVE-2026-3700 UTT HiPER 810G formConfigDnsFilterGlobal strcpy buffer overflow
Sources
Also known as GHSA-9vfc-93vc-6ffp.