CVE-2026-12339

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 ImpactpartialSuccessful exploitation gives limited 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

0.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 26.9% of scored records. A rank, not a probability.

NVD base score

6.9 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-08-25.

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

2026-08-10 18:20Z25 DAYS AGO

Last updated

2026-08-25 20:54Z10 DAYS AGO

Reserved

2026-06-15

Assigning CNA

TPLink

Record state

PUBLISHED

Severity

Medium (CVSS 6.9)

CNA CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

Weaknesses

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.2

Document digest

b04d5c38e800649fa6b244a12f9d6e05d3a773ab306b535c1476106da975d5fd

• www.tp-link.comhttps://www.tp-link.com/en/support/download/tl-mr6400/v5.30/#Firmwarepatch
• www.tp-link.comhttps://www.tp-link.com/en/support/download/archer-mr600/v2/#Firmwarepatch
• www.tp-link.comhttps://www.tp-link.com/en/support/download/archer-mr200/v7/#Firmwarepatch
• www.tp-link.comhttps://www.tp-link.com/en/support/faq/5237/vendor-advisory
• www.tp-link.comhttps://www.tp-link.com/en/support/download/tl-mr100/v3.20/#Firmwarepatch
• www.tp-link.comhttps://www.tp-link.com/en/support/download/tl-mr150/v3.20/#Firmwarepatch
• www.tp-link.comhttps://www.tp-link.com/en/support/download/tl-mr6400/v8/#Firmwarepatch
• www.tp-link.comhttps://www.tp-link.com/kr/support/download/tl-mr100/v3.20/#Firmwarepatch