CVE-2020-37182

HIGH
2026-02-11 [email protected]
7.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
PoC Detected
Feb 12, 2026 - 15:10 vuln.today
Public exploit code
CVE Published
Feb 11, 2026 - 21:16 nvd
HIGH 7.5

Tags

Stack Overflow Denial Of Service

Description

Redir 3.3 contains a stack overflow vulnerability in the doproxyconnect() function that allows attackers to crash the application by sending oversized input. Attackers can exploit the sprintf() buffer without proper length checking to overwrite memory and cause a segmentation fault, resulting in program termination.

Analysis

Redir 3.3 contains a stack overflow vulnerability in the doproxyconnect() function that allows attackers to crash the application by sending oversized input. [CVSS 7.5 HIGH]

Technical Context

Classified as CWE-121 (Stack-based Buffer Overflow). Redir 3.3 contains a stack overflow vulnerability in the doproxyconnect() function that allows attackers to crash the application by sending oversized input. Attackers can exploit the sprintf() buffer without proper length checking to overwrite memory and cause a segmentation fault, resulting in program termination.

Affected Products

Redir 3.3 contains a stack overflow vulnerability in the doproxyconnect() function that allows attackers to crash the application by sending oversized

Remediation

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Priority Score

58
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +38
POC: +20

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CVE-2020-37182 vulnerability details – vuln.today
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