What’s Vulnerable › Vulnerabilities

CVE-2019-6989

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 11.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-06-06 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• TP-Link TL-WR940N: all versions
• TP-Link Tl-Wr941Nd Firmware: all versions

References

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

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