CVE-2024-3878: A vulnerability, which was classified as critical, has been found in Tenda F1202 1.2.0.20(408)

This month

HIGH 8.8MITIGATE

CVE-2024-3878 is a high-severity flaw (CVSS 8.8) affecting f1202 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as critical, has been found in Tenda F1202 1.2.0.20(408). Affected by this issue is the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter. The manipulation of the argument page leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-260912. NOTE: The vendor was

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-121, CWE-787
Published	2024-04-16
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: tenda

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-04-16 19:15 UTCPublished CVE record published
2026-06-17 07:45 UTCUpdated Record last modified

tenda f1202 firmware MITIGATE

Affected: 1.2.0.20\(408\)

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

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-2024-3878?

f1202 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-3878 being exploited?

CVE-2024-3878 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-2024-3878 affect?

CVE-2024-3878 affects f1202 firmware. Severity is high (CVSS 8.8). A vulnerability, which was classified as critical, has been found in Tenda F1202 1.2.0.20(408). Affected by this issue is the function fromwebExcptypemanFilter of the file /goform/webExcptypemanFilter. The manipulation of the argument page

How urgent is CVE-2024-3878?

Priority 55/100. High severity; Public exploit reference

Related CVEs

CVE-2024-3877 HIGH 8.8 MITIGATE A vulnerability classified as critical was found in Tenda F1202 1.2.0.20(408)
CVE-2024-3876 HIGH 8.8 MITIGATE A vulnerability classified as critical has been found in Tenda F1202 1.2.0.20(408)
CVE-2024-3875 HIGH 8.8 MITIGATE A vulnerability was found in Tenda F1202 1.2.0.20(408)
CVE-2024-30639 MEDIUM 6.5 MITIGATE Tenda F1202 v1.2.0.20(408) has a stack overflow vulnerability in the page parameter of fromAddressNat function
CVE-2024-30638 MEDIUM 4.3 MITIGATE Tenda F1202 v1.2.0.20(408) has a stack overflow vulnerability via the entrys parameter in the fromAddressNat f

References

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