Vulnerability Details : 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 category: OverflowMemory CorruptionExecute code
Products affected by CVE-2019-6989
- cpe:2.3:o:tp-link:tl-wr940n_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:tl-wr941nd_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-6989
5.45%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-6989
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2019-6989
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-6989
-
https://www.exploit-db.com/exploits/46678/
TP-LINK TL-WR940N / TL-WR941ND - Buffer Overflow - Hardware remote Exploit
-
http://packetstormsecurity.com/files/152458/TP-LINK-TL-WR940N-TL-WR941ND-Buffer-Overflow.html
TP-LINK TL-WR940N / TL-WR941ND Buffer Overflow ≈ Packet Storm
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