Buffer overflow in Totolink A3000ru
CVE-2025-28032
TOTOLINK A800R V4.1.2cu.5137_B20200730, A810R V4.1.2cu.5182_B20201026, A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 contain a pre-auth buffer overflow vulnerability in the setNoticeCfg function through the IpForm parameter.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (24.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Totolink A3000ru
- Totolink A3000ru Firmware — versions 5.9c.5185_b20201128
- Totolink A3100r
- Totolink A3100r Firmware — versions 4.1.2cu.5247_b20211129
- Totolink A800r
- Totolink A800r Firmware — versions 4.1.2cu.5137_b20200730
- Totolink A810r
- Totolink A810r Firmware — versions 4.1.2cu.5182_b20201026
- Totolink A830r
- Totolink A830r Firmware — versions 4.1.2cu.5182_b20201102
Weakness classification (CWE)
Public proof-of-concept exploits
References
- locrian-lightning-dc7.notion.site/BufferOverflow6-19f8e5e2b1a28052bda1f6ede9db3… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-28032?
- CVE-2025-28032 is a high-severity vulnerability in Totolink A3000ru, classified under Stack-based Buffer Overflow. CVSS score: 7.3/10. Published 2025-04-22.
- How severe is CVE-2025-28032?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2025-28032 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.