CVE-2021-25310

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

4.63% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-02-02 14:01Z5 YR AGO

Last updated

2024-08-03 20:03Z2 YR AGO

Reserved

2021-01-18

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-150Improper Neutralization of Escape, Meta, or Control SequencesVariant
• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base

Data version

5.1

Document digest

2ead3d3bd23f9d663c138b40db448bffb12cb211b21aa1ce82d2a1e0efba3181

• research.nccgroup.comhttps://research.nccgroup.com/?research=Technical%20advisoriesx_refsource_MISC
• research.nccgroup.comhttps://research.nccgroup.com/2021/01/28/technical-advisory-linksys-wrt160nl-authenticated-command-injection-cve-2021-25310/x_refsource_MISC