CVE-2026-77988 TRENDnet TEW-823DRU CLI Configuration Tool nvram_get command injection
Remote attackers can execute arbitrary commands via the nvram_get function in the CLI Configuration Tool of TRENDnet TEW-823DRU routers.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-77988?
CVE-2026-77988 is a medium-severity command injection vulnerability in TRENDnet TEW-823DRU, published on 22 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. This vulnerability affects the function nvram_get of the component CLI Configuration Tool. This manipulation causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.
Which versions are affected by CVE-2026-77988?
How do I fix CVE-2026-77988?
No fix has been published for CVE-2026-77988 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-77988 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-77988 exists.
Sources
Also known as GHSA-9q3j-g7jc-hfg2.