CVE-2021-26827
Last modified
CVE-2021-26827 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Buffer Overflow in TP-Link WR2041 v1 firmware for the TL-WR2041+ router allows remote attackers to cause a Denial-of-Service (DoS) by sending an HTTP request with a very long "ssid" parameter to the "/userRpm/popupSiteSurveyRpm.html" webpage, which crashes the router.. EPSS estimates a 1.70% chance of exploitation in the next 30 days.
Description
Buffer Overflow in TP-Link WR2041 v1 firmware for the TL-WR2041+ router allows remote attackers to cause a Denial-of-Service (DoS) by sending an HTTP request with a very long "ssid" parameter to the "/userRpm/popupSiteSurveyRpm.html" webpage, which crashes the router.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tp-Link | Tl-Wr2041\+ Firmware | All versions |
References
- https://github.com/GD008/vuln/blob/main/tplink_wr2041/tplink_WR2041pv1.mdExploit, Third Party Advisory
- https://github.com/GD008/vuln/blob/main/tplink_wr2041/tplink_WR2041pv1.mdExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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