Vulnerability Details : CVE-2020-35391
Tenda N300 F3 12.01.01.48 devices allow remote attackers to obtain sensitive information (possibly including an http_passwd line) via a direct request for cgi-bin/DownloadCfg/RouterCfm.cfg, a related issue to CVE-2017-14942. NOTE: the vulnerability report may suggest that either a ? character must be placed after the RouterCfm.cfg filename, or that the HTTP request headers must be unusual, but it is not known why these are relevant to the device's HTTP response behavior.
Exploit prediction scoring system (EPSS) score for CVE-2020-35391
Probability of exploitation activity in the next 30 days: 0.25%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 63 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-35391
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
3.3
|
LOW | AV:A/AC:L/Au:N/C:P/I:N/A:N |
6.5
|
2.9
|
NIST |
|
9.6
|
CRITICAL | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
2.8
|
6.0
|
MITRE |
|
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-35391
-
The web application does not adequately enforce appropriate authorization on all restricted URLs, scripts, or files.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-35391
-
https://medium.com/@signalhilltech/tenda-n300-authentication-bypass-via-malformed-http-request-header-5b8744ca685e
Tenda N300 Authentication Bypass via Malformed HTTP Request Header - Signal Hill Technologies - MediumExploit;Third Party Advisory
-
http://packetstormsecurity.com/files/171773/Tenda-N300-F3-12.01.01.48-Header-Processing.html
Tenda N300 F3 12.01.01.48 Header Processing ≈ Packet Storm
Products affected by CVE-2020-35391
- cpe:2.3:o:tenda:f3_firmware:12.01.01.48:*:*:*:*:*:*:*