CVE-2019-6989 - TP-Link TL-WR940N is vulnerable to a stack-based buffer overflow, caused by improper bounds checking

CVE-2019-6989

Summary

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.

References

Vulnerable Configurations

cpe:2.3:o:tp-link:tl-wr940n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wr940n_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:tl-wr940n:-:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:tl-wr940n:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wr941nd_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:tl-wr941nd_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:tl-wr941nd:-:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:tl-wr941nd:-:*:*:*:*:*:*:*

CVSS

Base:	9.0 (as of 24-08-2020 - 17:37)
Impact:
Exploitability:

CWE

CWE-787

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	SINGLE

Impact

Confidentiality	Integrity	Availability
COMPLETE	COMPLETE	COMPLETE

cvss-vector via4

AV:N/AC:L/Au:S/C:C/I:C/A:C

refmap via4

exploit-db	46678
misc	http://packetstormsecurity.com/files/152458/TP-LINK-TL-WR940N-TL-WR941ND-Buffer-Overflow.html

Last major update

24-08-2020 - 17:37

Published

06-06-2019 - 18:29

Last modified

24-08-2020 - 17:37