Cyber Resilience

CVE-2023-26070

Critical

Published: 10 April 2023

Published
10 April 2023
Modified
11 February 2025
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0040 61.3th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-26070 is a critical-severity Improper Input Validation (CWE-20) vulnerability in Lexmark Lw80 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 38.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Certain Lexmark devices through 2023-02-19 mishandle Input Validation (issue 4 of 4).

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

lexmark
cxtpc firmware
≤ cxtpc.081.232
lexmark
cstpc firmware
≤ cstpc.081.232
lexmark
mxtct firmware
≤ mxtct.081.232
lexmark
mxtpm firmware
≤ mxtpm.081.232
lexmark
cxtmm firmware
≤ cxtmm.081.232
lexmark
mslsg firmware
≤ mslsg.081.232
lexmark
mxlsg firmware
≤ mxlsg.081.232
lexmark
mslbd firmware
≤ mslbd.081.232
lexmark
mxlbd firmware
≤ mxlbd.081.232
lexmark
msngm firmware
≤ msngm.081.232
+16 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References