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VulnerabilityCVE-2025-6218Published 2025-06-21

CVE-2025-6218 — Rarlab Winrar

highCISA KEV

As of 2025-12-10, CVE-2025-6218 is a HIGH-severity vulnerability in Rarlab Winrar, CVSS v3.1 7.8, EPSS 4.7% (89.4th percentile). It is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-12-09), with a US federal remediation deadline of 2025-12-30. No Threadlinqs-tracked threat campaign has been attributed to CVE-2025-6218 as of 2025-12-10; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

CVSS v3.1
7.8/10High
EPSS
4.7%Higher than 89.4% of scored CVEs
CISA KEV
ListedAdded · due 2025-12-30
Tracked threats
0None linked yet
Priority
9/10Threadlinqs triage score
Published
Updated 2025-12-10
CVSS v3.1 7.8 (HIGH) · EPSS 4.7% (higher than 89.4% of all scored CVEs) · Priority 9/10 · Published 2025-06-21

Last updated:

What is CVE-2025-6218?

RARLAB WinRAR Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of RARLAB WinRAR. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of file paths within archive files. A crafted file path can cause the process to traverse to unintended directories. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-27198.

The record classifies CVE-2025-6218 under weakness class CWE-22. Its CVSS v3 base vector states that the flaw requires local access to the host, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 2 affected-product entries are recorded, across 2 vendors, listed below. The identifier was first published 471 days ago.

Severity and exploitation probability

CVSS v3.1 base score
7.8 — HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (FIRST)
4.7% probability of exploitation in the next 30 days, higher than 89.4% of all scored CVEs
CISA KEV
Listed since 2025-12-09, federal remediation deadline 2025-12-30
Threadlinqs priority
9/10 — CISA KEV-listed, which Threadlinqs floors at 9
Published
2025-06-21, last modified 2025-12-10

Is CVE-2025-6218 being exploited?

CISA added CVE-2025-6218 to the Known Exploited Vulnerabilities catalog on 2025-12-09, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2025-12-30 under BOD 22-01. It currently carries a trending score of 37 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2025-6218

The record marks a vendor fix as available for CVE-2025-6218. Patch reference: https://www.win-rar.com/singlenewsview.html?L=0&tx_ttnews%5Btt_news%5D=232. Because CVE-2025-6218 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2025-12-30. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2025-6218

No threat campaign in the Threadlinqs corpus currently references CVE-2025-6218, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

Sources

Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.