CVE-2026-7469: A vulnerability was detected in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01

This month

MEDIUM 6.3MITIGATE

CVE-2026-7469 is a medium-severity flaw (CVSS 6.3) affecting 4g300 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was detected in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01. This impacts the function sub_425A28 of the file /goform/DelFil. The manipulation of the argument delflag results in command injection. The attack may be launched remotely. The exploit is now public and may be used.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.4% (top 27%)
CISA exploited list	No
Weakness	CWE-74, CWE-77
Published	2026-04-30
Last modified	2026-10-26

Publisher (CNA): VulDB · Vendor: tenda

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-30 02:16 UTCPublished CVE record published
2026-10-26 22:10 UTCUpdated Record last modified

tenda 4g300 firmware MITIGATE

Affected: 1.01.42_cn_tdc01

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.01.42_cn_tdc01

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-7469?

4g300 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-7469 being exploited?

CVE-2026-7469 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-7469 affect?

CVE-2026-7469 affects 4g300 firmware. Severity is medium (CVSS 6.3). A vulnerability was detected in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01. This impacts the function sub_425A28 of the file /goform/DelFil. The manipulation of the argument delflag results in command injection. The attack may be launched

How urgent is CVE-2026-7469?

Priority 40/100. No elevated risk signals yet.

Related CVEs

CVE-2026-7470 HIGH 8.8 MITIGATE A flaw has been found in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01

References

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