Path traversal vulnerability in WinRAR
A path traversal vulnerability affecting the Windows version of WinRAR allows the attackers to execute arbitrary code by crafting malicious archive files. This vulnerability was exploited in the wild and was discovered by Anton Cherepanov, Peter Košinár, and Peter Strýček from ESET.
- Published
- Aug 8, 2025
- Updated
- Aug 11, 2026
- EPSS
- 94.1% · 100th percentile
- CWE
- CWE-35
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
91
Now
Patch today or shut off access.
- CVSS
- 33 / 40 · 8.4 / 10
- CISA KEV
- 30 / 30 · Listed
- EPSS
- 28 / 30 · 94.1%
CISA SSVC decision
- Exploitation
- active
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · ESET
- 8.4
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Actively exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on Aug 12, 2025. That signals real attacks, not theory.
Remediation deadline for government agencies: Sep 2, 2025.
Known to be used in ransomware campaigns.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| rarlab | winrar | cpe:2.3:a:rarlab:winrar |
| microsoft | windows | cpe:2.3:o:microsoft:windows |
| dtsearch | dtsearch | cpe:2.3:a:dtsearch:dtsearch |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- dtsearch dtsearchbefore 2023.01
- rarlab winrarbefore 7.13
Versions reported by the vendor
Affected version ranges reported by the assigning authority (ESET). Independent of NVD's CPE analysis and usually ahead of it.
win.rar GmbH WinRAR
- up to and including 7.12affected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| openSUSE:Leap 16.0 | clamav | before 1.5.4-160000.1.1 | 1.5.4-160000.1.1 |
| openSUSE:Tumbleweed | clamav | before 1.5.4-1.1 | 1.5.4-1.1 |
| SUSE:Linux Enterprise Micro 5.5 | clamav | before 1.5.4-150400.13.11.1 | 1.5.4-150400.13.11.1 |
| SUSE:Linux Enterprise Module for Basesystem 15 SP7 | clamav | before 1.5.4-150600.18.31.1 | 1.5.4-150600.18.31.1 |
| SUSE:Linux Enterprise Server 12 SP5-LTSS | clamav | before 1.5.4-3.59.1 | 1.5.4-3.59.1 |
| SUSE:Linux Enterprise Server 16.0 | clamav | before 1.5.4-160000.1.1 | 1.5.4-160000.1.1 |
Same product
rarlab: all recordsOther highest-scoring records for the same primary product.
- CVE-2023-38831RARLAB WinRAR before 6.23 allows attackers to execute arbitrary code when a user attempts to view a benign file within a ZIP archive.KEV91Now
- CVE-2018-20250In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (inKEV90Now
- CVE-2025-6218RARLAB WinRAR Directory Traversal Remote Code Execution VulnerabilityKEV88Now
- CVE-2004-1254WinRAR 3.40, and possibly earlier versions, allows remote attackers to execute arbitrary code via a ZIP file containing a file with a long f43Plan
- CVE-2008-7144Multiple unspecified vulnerabilities in RARLAB WinRAR before 3.71 have unknown impact and attack vectors related to crafted (1) ACE, (2) ARJ41Plan
- CVE-2006-3845Stack-based buffer overflow in lzh.fmt in WinRAR 3.00 through 3.60 beta 6 allows remote attackers to execute arbitrary code via a long filen39Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| opensuse:clamav | 1.5.4-1.1 · openSUSE:Tumbleweed | Package registry (OSV) |
| suse:clamav | 1.5.4-160000.1.1 · SUSE:Linux Enterprise Server 16.0 | Package registry (OSV) |
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Proof-of-concept repository on GitHub ×34
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Proof-of-concept repository on GitHub | stars:28 | 2024-05-26 |
| Proof-of-concept repository on GitHub | stars:10 | 2025-08-10 |
| Proof-of-concept repository on GitHub | stars:1 | 2025-08-11 |
| Proof-of-concept repository on GitHub | stars:44 | 2025-08-12 |
| Proof-of-concept repository on GitHub | stars:73 | 2025-08-13 |
| Proof-of-concept repository on GitHub | stars:56 | 2025-08-14 |
| Proof-of-concept repository on GitHub | stars:1 | 2025-08-15 |
| Proof-of-concept repository on GitHub | stars:35 | 2025-08-16 |
| Proof-of-concept repository on GitHub | stars:2 | 2025-08-17 |
| Proof-of-concept repository on GitHub | stars:0 | 2025-08-19 |
| Proof-of-concept repository on GitHub | stars:4 | 2025-08-20 |
| Proof-of-concept repository on GitHub | stars:0 | 2025-08-21 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-439 d
- Published
- CISA KEV+4 d
- TodayOct 4, 2026+423 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- No account or password is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- Integrity
- Availability
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- A
- Scope
- X
Weakness class (CWE)
CWE-35 · Path Traversal: '.../...//'CVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/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-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=283&cHash=a64b4a8f662d3639dec8d65f47bc93c5
- arstechnica.com/security/2025/08/high-severity-winrar-0-day-exploited-for-weeks-by-2-groups/
- support.dtsearch.com/faq/dts0245.htm
- www.vicarius.io/vsociety/posts/cve-2025-8088-detect-winrar-zero-day
- www.vicarius.io/vsociety/posts/cve-2025-8088-mitigate-winrar-zero-day-using-srp-and-ifeo
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-8088
- www.welivesecurity.com/en/eset-research/update-winrar-tools-now-romcom-and-others-exploiting-zero-day-vulnerability/#the-discovery-of-cve-2025-8088
Vendor advisories and official records. Exploit/PoC links are deliberately left out.