CVE-2026-5849 Tenda i12 HTTP path traversal
Remote attackers can exploit a path traversal vulnerability in the Tenda i12 router's HTTP handler to access unauthorized files.
- 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-2026-5849?
CVE-2026-5849 is a medium-severity path traversal vulnerability in Tenda i12, published on 9 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was determined in Tenda i12 1.0.0.11(3862). The impacted element is an unknown function of the component HTTP Handler. Executing a manipulation can lead to path traversal. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.
Weakness: CWE-22
Which versions are affected by CVE-2026-5849?
It affects 1 product.
Products include Tenda I12 Firmware.
How do I fix CVE-2026-5849?
No fix has been published for CVE-2026-5849 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-5849 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5849 exists.
Other vulnerabilities in Tenda i12
- CVE-2025-25676 Memory corruption in n/a
- CVE-2025-25678 Memory corruption in n/a
- CVE-2026-5609 Tenda i12 Parameter wifiSSIDset formwrlSSIDset stack-based overflow
- CVE-2026-4041 Tenda i12 exeCommand vos_strcpy stack-based overflow
- CVE-2026-4042 Tenda i12 WifiMacFilterGet formWifiMacFilterGet stack-based overflow
Sources
Also known as GHSA-22fp-cvvv-7ff5.