CVE-2019-6989

high-risk
Published 2019-06-06

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.

Do I need to act?

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19.1% chance of exploitation in next 30 days
EPSS score — higher than 81% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (2)

Tl-Wr941Nd Firmware

Affected Vendors

50
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 13/34 · Low
Exposure 7/34 · Low