ExploitedNot in CISA KEV yet

CVE-2026-5153

Exploitation confirmed. First attested on 2026-09-01 by GCVE · previdian, GCVE · shadowserver.

Published2026-03-30
WeaknessCWE-74 · CWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A flaw has been found in Tenda CH22 1.0.0.1. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. Executing a manipulation of the argument mac can lead to command injection. The attack may be launched remotely. The exploit has been published and may be used.

Timeline

dates in UTC

2026-03-3022:16CVE publishedNVD
2026-09-01Listed as exploited by GCVEGCVE
2026-09-01Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-5153?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-5153?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Tenda ch22 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.0	= 1.0.0.1	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

GCVEexploitation2026-09-01
CISA-ADPSSVC decisionpoc2026-03-31
OpenCVESSVC decisionpoc—
CNACVSS 4.02.1read 2026-10-23
CNACVSS 3.16.3read 2026-10-23
NVDCVSS 3.18.8read 2026-10-23
CNACVSS 2.06.5read 2026-10-23
CNAweakness (CWE)CWE-74, CWE-77read 2026-10-23
NVDweakness (CWE)CWE-77read 2026-10-23
FIRST EPSSEPSS score6.5 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published: 2026-03-30
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2026-5153?

Is CVE-2026-5153 actively exploited?

A proof-of-concept exploit exists for CVE-2026-5153, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-5153?

CVE-2026-5153 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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