TP-Link Wi-Fi Blunder: Your Old Router is Now a Cybersecurity Threat!
TP-Link TL-WA855RE Wi-Fi Range Extenders have a high-severity flaw, thanks to missing authentication, now spotlighted by CISA. With a CVSS score of 8.8, this vulnerability might let your neighbor hijack your password while borrowing some sugar. Solution? Update that firmware or swap for a newer model!

Hot Take:
Looks like TP-Link Wi-Fi Rangers are going rogue! It seems the only network security these devices are extending is the hackers’. Remember, folks, when your Wi-Fi starts taking uninvited guests, it’s time to call the bouncer and upgrade your gear. Let’s hope your internet is faster than these cybercriminals!
Key Points:
- CISA added a high-severity flaw in TP-Link TL-WA855RE Wi-Fi Ranger Extender to the KEV catalog due to active exploitation.
- The vulnerability, CVE-2020-24363, allows unauthenticated attackers to gain elevated access through a factory reset and password change.
- The issue has been fixed in firmware version TL-WA855RE(EU)_V5_200731, but the product has reached end-of-life status, so no further updates are expected.
- WhatsApp disclosed another security flaw (CVE-2025-55177) tied to a targeted spyware campaign exploiting Apple device vulnerabilities.
- FCEB agencies must apply mitigations by September 23, 2025, to protect against these vulnerabilities.
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