CVE-2012-2944

CVE-2012-2944 describes a buffer overflow vulnerability in the addchar function of upsd in Network UPS Tools (NUT) versions prior to 2.6.4. This flaw allows remote attackers to execute arbitrary code or cause a denial of service, potentially leading to an electric-power outage, by sending a crafted long string with non-printable characters. Rated with a CVSS score of 7.5, this vulnerability has a high severity due to its network-based attack vector and low attack complexity, enabling potential partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.