CVE-2026-3698 UTT HiPER 810G NTP strcpy buffer overflow
Remote attackers can exploit a buffer overflow in the NTP configuration interface of UTT HiPER 810G devices to execute arbitrary code or cause denial of service.
- 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-2026-3698?
CVE-2026-3698 is a high-severity memory corruption vulnerability in UTT HiPER 810G, published on 8 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was identified in UTT HiPER 810G up to 1.7.7-171114. This affects the function strcpy of the file /goform/NTP. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might be used.
Which versions are affected by CVE-2026-3698?
It affects 1 product.
Products include Utt 810g Firmware.
How do I fix CVE-2026-3698?
No fix has been published for CVE-2026-3698 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-2026-3698 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3698 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-2026-3699 UTT HiPER 810G formRemoteControl strcpy buffer overflow
- CVE-2026-3700 UTT HiPER 810G formConfigDnsFilterGlobal strcpy buffer overflow
- CVE-2026-2981 UTT HiPER 810G formTaskEdit_ap strcpy buffer overflow
Sources
Also known as GHSA-mxxm-7p9v-jm2c.