CVE-2021-27137

Product

WordPress core, AI / LLM tooling

CVSS

8.1

CISA KEV

listed

Exposure class

Web platform, AI infrastructure

Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.

1. 55
   KEV NVD 16 Jul 2026

   DD-WRT contains a stack-based buffer overflow vulnerability that could allow an unauthenticated attacker to overflow an internal buffer used by UPnP…

   DD-WRT contains a stack-based buffer overflow vulnerability that could allow an unauthenticated attacker to overflow an internal buffer used by UPnP and trigger a code execution vulnerability.

   KEV CVSS 8.1 Fix available CVE-2021-27137
2. 46
   CISA advisory CISA 21 Jul 2026

   CISA Adds Four Known Exploited Vulnerabilities to Catalog

   CISA has added four new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2021-27137 DD-WRT Stack-Based Buffer Overflow Vulnerability CVE-2026-0770 Langflow…

   Exploited CVE-2021-27137CVE-2026-0770CVE-2026-63030+1 more
3. 16
   Research Insikt Group 7 Aug 2026

   July 2026 CVE Landscape

   In July 2026, Insikt Group® identified 85 high-impact vulnerabilities that should be prioritized for remediation, 36 of which had a Very Critical Recorded Future Risk Score. This represents a 44% increase from last month.

   CVE-2025-3248CVE-2008-4128CVE-2017-17215+57 more