What is CVE-2025-28030?

CVE-2025-28030 is a high-severity vulnerability in Totolink A810r, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-04-22.

How severe is CVE-2025-28030?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2025-28030 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Totolink A810r

CVE-2025-28030

TOTOLINK A810R V4.1.2cu.5182_B20201026 was discovered to contain a stack overflow via the startTime and endTime parameters in setParentalRules function.

Vulnerability class: Buffer Overflow

Published 2025-04-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (37.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000

Affected products

Totolink A810r
Totolink A810r Firmware — versions 4.1.2cu.5182_b20201026

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

Lunax0/CVE_

References

locrian-lightning-dc7.notion.site/BufferOverflow6-19f8e5e2b1a2803db1d9ce7b4d06e… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-28030?: CVE-2025-28030 is a high-severity vulnerability in Totolink A810r, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-04-22.
How severe is CVE-2025-28030?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-28030 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.