CVE-2026-18895 UTT HiPER 1250GW APSecurity_5g strcpy stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the APSecurity_5g component via the cipher argument, potentially executing arbitrary code.
- 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-2026-18895?
CVE-2026-18895 is a high-severity memory corruption vulnerability in UTT HiPER 1250GW, published on 5 Aug 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 1250GW up to 3.2.7-210907-180535. Impacted is the function strcpy of the file /goform/APSecurity_5g. Performing a manipulation of the argument cipher results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-18895?
How do I fix CVE-2026-18895?
No fix has been published for CVE-2026-18895 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-2026-18895 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18895 exists.
Sources
Also known as GHSA-gpvf-48jp-phv5.