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Critical 9.8Published Jan 15, 2026

CVE-2021-47781Cmder Console Emulator 1.3.18 - 'Cmder.exe' Denial of Service (PoC)

Updated under an hour ago ()

Does this affect you?

It affects Cmder Console Emulator. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Cmder Console Emulator 1.3.18 contains a buffer overflow vulnerability that allows attackers to trigger a denial of service condition through a maliciously crafted .cmd file. Attackers can create a specially constructed .cmd file with repeated characters to overwhelm the console emulator's buffer and crash the application.

CVSS
9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-787
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Aug 14, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Cmder Cmder Console Emulator
cmder:console_emulator (from the name)
1.3.18
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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