CVE intelligence and bounded remediation

CVE-2022-22805 — Schneider-Electric Smt Series 1015 Ups Firmware security vulnerability

Critical CVSS 9.8

A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability exists that could cause remote code execution when an improperly handled TLS packet is reassembled. Affected Product: SmartConnect Family: SMT Series (SMT Series ID=1015: UPS 04.5 and prior), SMC Series (SMC Series ID=1018: UPS 04.2 and prior), SMTL Series (SMTL Series ID=1026: UPS 02.9 and prior), SCL Series (SCL Series ID=1029: UPS 02.5 and prior / SCL Series ID=1030: UPS 02.5 and prior / SCL Series ID=1036: UPS 02.5 and prior / SCL Series ID=1037: UPS 03.1 and prior), SMX Series (SMX Series ID=1031: UPS 03.1 and prior)

Severity
Critical
CVSS
9.8 (3.1)
Published
2022-03-09
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-120

Affected products

  • schneider-electric / smt_series_1015_ups_firmware
  • schneider-electric / smc_series_1018_ups_firmware
  • schneider-electric / smtl_series_1026_ups_firmware
  • schneider-electric / scl_series_1029_ups_firmware
  • schneider-electric / scl_series_1030_ups_firmware
  • schneider-electric / scl_series_1036_ups_firmware

Showing 6 representative product identities from 8 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
  • Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
  • Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.

Remediate safely

  • Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
  • Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
  • Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.

Authoritative sources

Complete CVE record and remediation plan

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