What’s Vulnerable › Vulnerabilities

CVE-2023-33536

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-07 · updated 2026-06-17
• Weakness: CWE-125

Description

TP-Link TL-WR940N V2/V4, TL-WR841N V8/V10, and TL-WR740N V1/V2 was discovered to contain a buffer overflow via the component /userRpm/WlanMacFilterRpm.

Affected products

• TP-Link TL-WR740N: all versions
• TP-Link TL-WR841N: all versions
• TP-Link TL-WR940N: all versions

References

• https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/2/TL-WR940N_TL-WR841N_TL-WR740N_userRpm_WlanMacFilterRpm.md
• https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/2/TL-WR940N_TL-WR841N_TL-WR740N_userRpm_WlanMacFilterRpm.md

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