Buffer overflow in TP-Link Tl-Wr940n

CVE-2019-6989

TP-Link TL-WR940N is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the ipAddrDispose function. By sending specially crafted ICMP echo request packets, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.114 (96.0th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-6989: held from 0.116 to 0.114.

EPSS over last 30 days · oldest: 0.116 · newest: 0.114 · change: -0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-6989?
CVE-2019-6989 is a high-severity vulnerability in TP-Link Tl-Wr940n, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2019-06-06.
How severe is CVE-2019-6989?
High severity. CVSS v3 base score is 8.8 out of 10.