CVE-2023-36355 EXPLOIT
9.9
CRITICAL · CVSS 3.1 · EPSS 31.7% (pctl 98)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 9.9 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| EPSS | 31.73% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-120 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2023-06-22 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| tp-link | tl-wr940n |
| tp-link | tl-wr940n firmware |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | TP-Link TL-WR940N V4 - Buffer OverFlow | 2023-07-03 |
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
- 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
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