HOMEVULNERABILITIESCVE-2019-25677
MEDIUM

CVE-2019-25677

CWE-379Published: April 5, 2026· Updated: Apr 9, 2026

5.5
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:1.6th

Official Description

WinRAR 5.61 contains a denial of service vulnerability that allows local attackers to crash the application by placing a malformed winrar.lng language file in the installation directory. Attackers can trigger the crash by opening an archive and pressing the test button, causing an access violation at memory address 004F1DB8 when the application attempts to read invalid data.

NVD Source

Technical Analysis

CVE-2019-25677 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

rarlab1 product
winrar
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://www.vulncheck.com/advisories/winrar-denial-of-service-via-malformed-language-file

All References (3)

→
https://win-rar.com/predownload.html?spV=true&subD=true&f=wrar561tr.exeProduct
→
https://www.exploit-db.com/exploits/46432Exploit · VDB Entry
→
https://www.vulncheck.com/advisories/winrar-denial-of-service-via-malformed-language-fileThird Party Advisory

Quick Facts

CVE IDCVE-2019-25677
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-379
CISA KEVNo
EPSS (30d)0.01%
Affected1 vendor
PublishedApr 5, 2026

Related CVEs (CWE-379)

CVE-2026-7539
7.3
CVE-2026-54328
7.3
CVE-2026-42191
6.5

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-25677 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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