CVE-2019-6989 EXPLOIT
8.8
HIGH · CVSS 3.0 · EPSS 11.4% (pctl 96)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 8.8 (HIGH, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 11.37% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2019-06-06 |
| Last modified | 2026-06-17 |
Affected (4)
| Vendor | Product |
|---|---|
| tp-link | tl-wr940n |
| tp-link | tl-wr940n firmware |
| tp-link | tl-wr941nd |
| tp-link | tl-wr941nd firmware |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | TP-LINK TL-WR940N / TL-WR941ND - Buffer Overflow | 2019-04-09 |
References
→ the Explorer · watch your stack · NVD