CVE-2022-22805

What it is

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)

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

11.9% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2022-01-07 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2022-03-09 20:15 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-06-17 04:29 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 11.9% in the next 30 days (EPSS).
• Severity: 9.8 CRITICAL (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2022-03-09 20:15 UTC

Last modified

2026-06-17 04:29 UTC

Exploit probability

11.9% · EPSS, next 30 days

Weakness

CWE-120 · Classic buffer overflow

Record status

Modified

Affected

• schneider-electric Smt Series 1015 Ups Firmware ≤ 04.5
• schneider-electric Smc Series 1018 Ups Firmware ≤ 04.2
• schneider-electric Smtl Series 1026 Ups Firmware ≤ 02.9
• schneider-electric Scl Series 1029 Ups Firmware ≤ 02.5
• schneider-electric Scl Series 1030 Ups Firmware ≤ 02.5
• schneider-electric Scl Series 1036 Ups Firmware ≤ 02.5
• schneider-electric Scl Series 1037 Ups Firmware ≤ 03.1
• schneider-electric Smx Series 1031 Ups Firmware ≤ 03.1

Attack profile CVSS 3.1 · 9.8

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

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