CVE-2026-103432

Stack-based Buffer Overflow in apcupsd CGI Scripts via sscanf

Published Sep 30, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
apcupsd through 3.14.14 has an sscanf stack-based buffer overflow in getupsvar() in src/cgi/upsfetch.c (used by upsstats.cgi, multimon.cgi, and upsfstats.cgi), a related issue to CVE-2026-15544.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Stack-based Buffer Overflow in apcupsd CGI Scripts via sscanf
Type Values Removed Values Added
Description apcupsd through 3.14.14 has an sscanf stack-based buffer overflow in getupsvar() in src/cgi/upsfetch.c (used by upsstats.cgi, multimon.cgi, and upsfstats.cgi), a related issue to CVE-2026-15544.
First Time appeared Apcupsd
Apcupsd apcupsd
Weaknesses CWE-121
CPEs cpe:2.3:a:apcupsd:apcupsd:*:*:*:*:*:*:*:*
Vendors & Products Apcupsd
Apcupsd apcupsd
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 30, 2026, 7:35 PM
Reserved
Sep 30, 2026, 3:31 PM
Status
Deferred
Published
Sep 30, 2026, 4:17 PM
Modified
Sep 30, 2026, 8:17 PM