CVE-2020-37182
CWE-121Published: February 11, 2026· Updated: Feb 12, 2026
Official 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.
Technical Analysis
CVE-2020-37182 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.
A weaponized exploit for CVE-2020-37182 is publicly known. This significantly lowers the barrier for threat actors and increases the urgency for remediation.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (3)
Quick Facts
Related CVEs (CWE-121)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-37182 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts