CVE-2023-36355

EPSS 31.7%

Vexday Risk Score

35Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Public proof of concept exists, but not yet automated.

CVSS —EPSS 31.7%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

22 Jun 2023Published on NVD

03 Jul 2023Public PoC

Weaponization speed

11 daysto first PoC

Recommendation: Plan a near-term fix — a public PoC already exists.

TP-Link TL-WR940N V4 was discovered to contain a buffer overflow via the ipStart parameter at /userRpm/WanDynamicIpV6CfgRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.

Affected products

n/a · n/a

public PoCs found — 2

exploitdbwww.exploit-db.com/exploits/51561unverified cve_referencepacketstormsecurity.com/files/173294/TP-Link-TL-WR940N-4-Buffer-Overflow.htmlunverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

http://packetstormsecurity.com/files/173294/TP-Link-TL-WR940N-4-Buffer-Overflow.html https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/9/TP-Link%20TL-WR940N%20wireless%20router%20userRpmWanDynamicIpV6CfgRpm%20buffer%20write%20out-of-bounds%20vulnerability.md