CVE-2026-8619 Null dereference in Archer MR600 v2
Remote attackers can crash the HTTP service on TP-Link routers via a null pointer dereference, causing temporary denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8619?
CVE-2026-8619 is a high-severity vulnerability in TP-Link Systems Inc Archer MR600 v2, published on 19 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An unauthenticated denial-of-service vulnerability was identified in TP-Link TL-MR100 v3.2, TL-MR150 v3.2, TL-MR6400 v8.0 and Archer MR600 v2, due to improper handling of exceptional request conditions that may lead to a NULL pointer dereference. A remote attacker on an adjacent network can send a specially crated HTTP request to trigger a crash of the HTTP service process.
Successful exploitation may cause the HTTP service to crash, making the web management interface and HTTP-dependent functionality temporarily unavailable.
Weakness: CWE-476
Which versions are affected by CVE-2026-8619?
It affects 4 products.
Products include Tp-Link Archer Mr600 Firmware, Tp-Link Tl-Mr100 Firmware, Tp-Link Tl-Mr150 Firmware, Tp-Link Tl-Mr6400 Firmware.
How do I fix CVE-2026-8619?
No fix has been published for CVE-2026-8619 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-8619 being exploited?
There is no known exploitation of CVE-2026-8619 in the wild and no public exploit code.
Other vulnerabilities in TP-Link Systems Inc Archer MR600 v2
Sources
Also known as GHSA-vp4h-929p-f8gq.