CVE-2026-7102 Tenda F456 httpd WriteFacMac FromWriteFacMac command injection
Remote attackers can execute arbitrary commands on Tenda F456 routers via the WriteFacMac interface, requiring authentication.
- 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-2026-7102?
CVE-2026-7102 is a medium-severity command injection vulnerability in Tenda F456, published on 27 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in Tenda F456 1.0.0.5. This impacts the function FromWriteFacMac of the file /goform/WriteFacMac of the component httpd. The manipulation of the argument mac results in command injection. The attack can be executed remotely. The exploit has been made public and could be used.
Which versions are affected by CVE-2026-7102?
It affects 1 product.
Products include Tenda F456 Firmware.
How do I fix CVE-2026-7102?
No fix has been published for CVE-2026-7102 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-2026-7102 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7102 exists.
Other vulnerabilities in Tenda F456
- CVE-2026-7078 Tenda F456 httpd SetIpBind fromSetIpBind buffer overflow
- CVE-2026-7079 Tenda F456 httpd AdvSetWan fromAdvSetWan buffer overflow
- CVE-2026-7080 Tenda F456 httpd PPTPUserSetting fromPPTPUserSetting buffer overflow
- CVE-2026-7081 Tenda F456 httpd GstDhcpSetSer fromGstDhcpSetSer buffer overflow
- CVE-2026-7082 Tenda F456 httpd WrlExtraSet formWrlExtraSet buffer overflow
Sources
Also known as GHSA-4rwf-wpmq-cjv2.