CVE-2024-52274: Stack-based Buffer Overflow vulnerability in Shenzhen Tenda Technology Co Tenda AC6V2 (setDoubleL2tpConfig->gu

Q: How do I fix CVE-2024-52274?

ac6 firmware: upgrade to newer than 15.03.06.50. Exact commands for each OS are on this page.

Q: Is CVE-2024-52274 being exploited?

CVE-2024-52274 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-52274 affect?

CVE-2024-52274 affects ac6 firmware. Severity is critical (CVSS 9.8). Stack-based Buffer Overflow vulnerability in Shenzhen Tenda Technology Co Tenda AC6V2 (setDoubleL2tpConfig->guest_ip_check(overflow arg: mask) modules) allows Overflow Buffers.This issue affects Tenda AC6V2: through 15.03.06.50

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2024-52274 is a critical-severity flaw (CVSS 9.8) affecting ac6 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based Buffer Overflow vulnerability in Shenzhen Tenda Technology Co Tenda AC6V2 (setDoubleL2tpConfig->guest_ip_check(overflow arg: mask) modules) allows Overflow Buffers.This issue affects Tenda AC6V2: through 15.03.06.50

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-121, CWE-787
Published	2024-12-04
Last modified	2026-06-17

Publisher (CNA): VULSec Labs · Vendor: tenda

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

Am I affected?

Timeline

2024-12-04 11:30 UTCPublished CVE record published
2026-06-17 08:06 UTCUpdated Record last modified

tenda ac6 firmware UPGRADE

Affected: <= 15.03.06.50

Fixed in: newer than 15.03.06.50

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-2024-52274?

ac6 firmware: upgrade to newer than 15.03.06.50. Exact commands for each OS are on this page.

Is CVE-2024-52274 being exploited?

CVE-2024-52274 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-2024-52274 affect?

CVE-2024-52274 affects ac6 firmware. Severity is critical (CVSS 9.8). Stack-based Buffer Overflow vulnerability in Shenzhen Tenda Technology Co Tenda AC6V2 (setDoubleL2tpConfig->guest_ip_check(overflow arg: mask) modules) allows Overflow Buffers.This issue affects Tenda AC6V2: through 15.03.06.50

How urgent is CVE-2024-52274?

Priority 49/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-4960 HIGH 8.8 MITIGATE A vulnerability was determined in Tenda AC6 15.03.05.16
CVE-2026-4961 HIGH 8.8 MITIGATE A vulnerability was identified in Tenda AC6 15.03.05.16
CVE-2025-12225 HIGH 8.8 MITIGATE A vulnerability has been found in Tenda AC6 15.03.06.50
CVE-2025-52221 CRITICAL 9.8 MITIGATE Tenda AC6 15.03.05.16_multi is vulnerable to Buffer Overflow in the formSetCfm function via the funcname, func
CVE-2026-8264 MEDIUM 6.3 MITIGATE A weakness has been identified in Tenda AC6 15.03.06.23

References

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