High severity7.5NVD Advisory· Published Apr 14, 2021· Updated Jun 17, 2026
CVE-2021-26827
CVE-2021-26827
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.
Affected products
3- cpe:2.3:o:tp-link:tl-wr2041\+_firmware:-:*:*:*:*:*:*:*
- TP-Link WR2041/TL-WR2041+ routerdescription
Patches
Vulnerability mechanics
References
1- github.com/GD008/vuln/blob/main/tplink_wr2041/tplink_WR2041pv1.mdnvdExploitThird Party Advisory
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