CVE-2025-8828 Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 setIpv6 ipv6cmd os command injection
Remote attackers can execute arbitrary OS commands on Linksys range extenders via the setIpv6 interface due to improper input validation.
- 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-2025-8828?
CVE-2025-8828 is a medium-severity command injection vulnerability in Linksys Re6250 Firmware, published on 11 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was determined in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. Affected is the function ipv6cmd of the file /goform/setIpv6. The manipulation of the argument Ipv6PriDns/Ipv6SecDns/Ipv6StaticGateway/LanIpv6Addr/LanPrefixLen/pppoeUser/pppoePass/pppoeIdleTime/pppoeRedialPeriod/Ipv6in4_PrefixLen/LocalIpv6/RemoteIpv4/LanIPv6_Prefix/LanPrefixLen/ipv6to4Relay/ipv6rdRelay/tunrd_PrefixLen/wan_UseLinkLocal/Ipv6StaticIp/Ipv6PrefixLen leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2025-8828?
It affects 6 products.
Products include Linksys Re6250 Firmware, Linksys Re6300 Firmware, Linksys Re6350 Firmware, Linksys Re6500 Firmware, Linksys Re7000 Firmware, Linksys Re9000 Firmware.
How do I fix CVE-2025-8828?
No fix has been published for CVE-2025-8828 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-2025-8828 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8828 exists.
Other vulnerabilities in Linksys Re6250 Firmware
- CVE-2025-14133 Memory corruption in RE6250
- CVE-2025-14134 Linksys RE6500/RE6250/RE6300/RE6350/RE7000/RE9000 mod_form.so stack-based overflow
- CVE-2025-14135 Memory corruption in RE6250
- CVE-2025-14136 Linksys RE6500/RE6250/RE6300/RE6350/RE7000/RE9000 mod_form.so stack-based overflow
- CVE-2025-9481 Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 setIpv6 stack-based overflow
Sources
Also known as GHSA-39fh-qxfv-76gc.