CVE-2020-28877 Memory corruption in n/a
A buffer overflow in TP-Link routers allows attackers to execute arbitrary code or cause a denial of service via the devDiscoverHandle server.
- 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-2020-28877?
CVE-2020-28877 is a critical memory corruption vulnerability in n/a, published on 20 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer overflow in in the copy_msg_element function for the devDiscoverHandle server in the TP-Link WR and WDR series, including WDR7400, WDR7500, WDR7660, WDR7800, WDR8400, WDR8500, WDR8600, WDR8620, WDR8640, WDR8660, WR880N, WR886N, WR890N, WR890N, WR882N, and WR708N.
Weakness: CWE-120
Which versions are affected by CVE-2020-28877?
It affects 15 products.
Products include Tp-Link Wdr7400 Firmware, Tp-Link Wdr7500 Firmware, Tp-Link Wdr7660 Firmware, Tp-Link Wdr7800 Firmware, Tp-Link Wdr8400 Firmware, Tp-Link Wdr8500 Firmware and 9 more.
How do I fix CVE-2020-28877?
No fix has been published for CVE-2020-28877 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-28877 being exploited?
There is no known exploitation of CVE-2020-28877 in the wild and no public exploit code.
Sources
Also known as GHSA-9645-cj65-jfjp.