Vulnerability Details : CVE-2021-26827
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.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2021-26827
- cpe:2.3:o:tp-link:tl-wr2041\+_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26827
0.33%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26827
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-26827
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-26827
-
https://github.com/GD008/vuln/blob/main/tplink_wr2041/tplink_WR2041pv1.md
vuln/tplink_WR2041pv1.md at main · GD008/vuln · GitHubExploit;Third Party Advisory
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