Buffer overflow in Tenda G3

CVE-2025-57078

Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the pppoeServerWhiteMacIndex parameter in the formModifyPppAuthWhiteMac function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafte…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (28.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-57078?
CVE-2025-57078 is a high-severity vulnerability in Tenda G3, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-09-09.
How severe is CVE-2025-57078?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-57078 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.