CVE-2024-4252: A vulnerability classified as critical has been found in Tenda i22 1.0.0.3(4687)

This month

HIGH 8.8MITIGATE

CVE-2024-4252 is a high-severity flaw (CVSS 8.8) affecting i22 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as critical has been found in Tenda i22 1.0.0.3(4687). This affects the function formSetUrlFilterRule. The manipulation of the argument groupIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The associated identifier of this vulnerability is VDB-262143. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Why this priority

High severity

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	1.5% (top 27%)
CISA exploited list	No
Weakness	CWE-121, CWE-787
Published	2024-04-27
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

2024-04-27 14:15 UTCPublished CVE record published
2026-06-17 08:01 UTCUpdated Record last modified

tenda i22 firmware MITIGATE

Affected: 1.0.0.3\(4687\)

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-2024-4252?

i22 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-4252 being exploited?

CVE-2024-4252 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-2024-4252 affect?

CVE-2024-4252 affects i22 firmware. Severity is high (CVSS 8.8). A vulnerability classified as critical has been found in Tenda i22 1.0.0.3(4687). This affects the function formSetUrlFilterRule. The manipulation of the argument groupIndex leads to stack-based buffer overflow. It is possible to initiate t

How urgent is CVE-2024-4252?

Priority 49/100. High severity

Related CVEs

CVE-2025-9297 HIGH 8.8 MITIGATE A vulnerability was detected in Tenda i22 1.0.0.3(4687)
CVE-2024-7585 HIGH 8.8 MITIGATE A vulnerability has been found in Tenda i22 1.0.0.3(4687) and classified as critical
CVE-2024-7584 HIGH 8.8 MITIGATE A vulnerability, which was classified as critical, was found in Tenda i22 1.0.0.3(4687)
CVE-2024-7583 HIGH 8.8 MITIGATE A vulnerability, which was classified as critical, has been found in Tenda i22 1.0.0.3(4687)
CVE-2024-7582 HIGH 8.8 MITIGATE A vulnerability classified as critical was found in Tenda i22 1.0.0.3(4687)

References

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