What’s Vulnerable › Vulnerabilities

CVE-2021-28858

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-15 · updated 2026-06-17
• Weakness: CWE-312

Description

TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 does not use SSL by default. Attacker on the local network can monitor traffic and capture the cookie and other sensitive information.

Affected products

• TP-Link Tl-Wpa4220 Firmware: 4.0.2-build_20180308_rel.37064

References

• https://yunus-shn.medium.com/tp-links-tl-wpa4220-v4-0-cleartext-transmission-of-sensitive-information-40357c778b84
• https://yunus-shn.medium.com/tp-links-tl-wpa4220-v4-0-cleartext-transmission-of-sensitive-information-40357c778b84

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