CVE-2025-57069: Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the pPppUser parameter in the getsin

Q: How do I fix CVE-2025-57069?

g3 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2025-57069 being exploited?

CVE-2025-57069 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-2025-57069 affect?

CVE-2025-57069 affects g3 firmware. Severity is high (CVSS 7.5). Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the pPppUser parameter in the getsinglepppuser function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Q: How urgent is CVE-2025-57069?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEMITIGATE

CVE-2025-57069 is a high-severity flaw (CVSS 7.5) affecting g3 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the pPppUser parameter in the getsinglepppuser function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-121
Published	2025-09-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tenda

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

Am I affected?

Timeline

2025-09-09 17:16 UTCPublished CVE record published
2026-06-17 09:42 UTCUpdated Record last modified

tenda g3 firmware MITIGATE

Affected: <= 15.11.0.17\(9502\)

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-2025-57069?

g3 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-57069 being exploited?

CVE-2025-57069 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-2025-57069 affect?

CVE-2025-57069 affects g3 firmware. Severity is high (CVSS 7.5). Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the pPppUser parameter in the getsinglepppuser function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

How urgent is CVE-2025-57069?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-57078 HIGH 7.5 UPGRADE Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the pppoeServerWhiteMacIndex paramet
CVE-2025-57072 HIGH 7.5 MITIGATE Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the staticRouteGateway parameter in
CVE-2025-57071 HIGH 7.5 MITIGATE Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the vpnUsers parameter in the formAd
CVE-2025-57070 HIGH 7.5 MITIGATE Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the gstUp parameter in the guestWifi
CVE-2025-57064 HIGH 7.5 MITIGATE Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the bindDhcpIndex parameter in the m

References

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