How severe is CVE-2025-57069?

CVE-2025-57069 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-57069 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-57069?

CVE-2025-57069 affects Tenda G3 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-57069?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-57069 have an EU (EUVD) identifier?

Yes. CVE-2025-57069 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27379.

When was CVE-2025-57069 published?

CVE-2025-57069 was published on 2025-09-09 and last updated on 2026-06-17.

CVE-2025-57069

CVE-2025-57069 is a high-severity vulnerability in Tenda G3 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27379
Weakness: CWE-121
Affected product: Tenda G3 Firmware
Published: 2025-09-09
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-57069?: 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 severe is CVE-2025-57069?: CVE-2025-57069 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-57069 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-57069?: CVE-2025-57069 affects Tenda G3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-57069?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-57069 have an EU (EUVD) identifier?: Yes. CVE-2025-57069 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27379.
When was CVE-2025-57069 published?: CVE-2025-57069 was published on 2025-09-09 and last updated on 2026-06-17.

References

https://github.com/vulnDetailRecord/VulforDevice/blob/main/Tenda/G3/getsinglepppuser.md

Affected products (1)

cpe:2.3:o:tenda:g3_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Tenda G3 Firmware

CVE-2022-36586 — Critical (CVSS 9.8): In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, there is a buffer overflow vulnerability caused by strcpy in function…
CVE-2022-36585 — Critical (CVSS 9.8): In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, in httpd binary, the addDhcpRule function has a buffer overflow caused…
CVE-2022-36587 — Critical (CVSS 9.8): In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, there is a buffer overflow vulnerability caused by sprintf in function…
CVE-2022-36584 — Critical (CVSS 9.8): In Tenda G3 US_G3V3.0br_V15.11.0.6(7663)_EN_TDE, the getsinglepppuser function has a buffer overflow caused by sscanf.
CVE-2021-27707 — Critical (CVSS 9.8): Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows remote attackers to execute…
CVE-2021-27706 — Critical (CVSS 9.8): Buffer Overflow in Tenda G1 and G3 routers with firmware version V15.11.0.17(9502)_CN allows remote attackers to…

All CVEs affecting Tenda G3 Firmware →

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