CVE-2020-35391

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

35.00% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.3% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-01-01 00:00Z5 YR AGO

Last updated

2024-08-04 17:02Z2 YR AGO

Reserved

2020-12-14

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 9.6)

CNA CVSS vector

CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N

Weaknesses

• CWE-425Direct Request ('Forced Browsing')Base

Data version

5.1

Document digest

6ead6522f9076a0a0a86276c229a959ff563746995465a2987608174fe15c614

• medium.comhttps://medium.com/%40signalhilltech/tenda-n300-authentication-bypass-via-malformed-http-request-header-5b8744ca685e
• packetstormsecurity.comhttp://packetstormsecurity.com/files/171773/Tenda-N300-F3-12.01.01.48-Header-Processing.html