CVE-2026-38711 Command injection in n/a
Attackers can execute arbitrary commands as root on TP-Link routers via the upgrade_check interface, requiring firmware upgrades to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-38711?
CVE-2026-38711 is a critical command injection vulnerability in n/a, published on 31 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
TR1200 v2.4.15, TR3000 v2.4.21, WR300 v2.4.25, WR1200 v2.4.23, WR1300 v2.4.22, WR1500 v2.3.10, WR3000 v2.4.19, WR3600 v2.3.16, and WR6500 v2.3.15 were discovered to contain a command injection vulnerability in the system.upgrade_check interface. This vulnerability allows attackers to execute arbitrary commands as root via a crafted input.
Weakness: CWE-77
Which versions are affected by CVE-2026-38711?
How do I fix CVE-2026-38711?
No fix has been published for CVE-2026-38711 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-2026-38711 being exploited?
There is no known exploitation of CVE-2026-38711 in the wild and no public exploit code.
Sources
Also known as GHSA-2784-vww3-7pr6.