CVE-2021-22713
Published: April 11, 2026
Official Description
A CWE-119:Improper restriction of operations within the bounds of a memory buffer vulnerability exists in PowerLogic ION8650, ION8800, ION7650, ION7700/73xx, and ION83xx/84xx/85xx/8600 (see security notifcation for affected versions), which could cause the meter to reboot.
Risk Analysis
A memory buffer vulnerability in various PowerLogic ION meters could lead to the meter rebooting. This flaw is actively exploited and listed in CISA's KEV catalog, indicating a significant operational risk.
This vulnerability is actively exploited in the wild and is listed in CISA's Known Exploited Vulnerabilities catalog. The exploitation can cause the meter to reboot.
Refer to the security notification for PowerLogic ION8650, ION8800, ION7650, ION7700/73xx, and ION83xx/84xx/85xx/8600 to apply the necessary updates. Ensure proper memory management and input validation in critical systems.
Technical Analysis
CVE-2021-22713 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2021-22713 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-22713 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1