CVE-2025-28032: totolink a3000ru_firmware Stack-based Buffer Overflow
Vulnerability summary
CVE-2025-28032 is a high (CVSS 7.3) Stack-based Buffer Overflow vulnerability in totolink a3000ru_firmware. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 22-04-2025PublishedVulnerability first disclosed.
- 23-04-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
26%
Versus all other CVEs
30-day change
0.00 pp
From 0.34% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (locrian-lightning-dc7.notion.site)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Totolink6 products
- a3000ru_firmware5.9c.5185_b20201128
- a3100r_firmware4.1.2cu.5247_b20211129
- a800r_firmware4.1.2cu.5137_b20200730
- a810r_firmware4.1.2cu.5182_b20201026
- a830r_firmware4.1.2cu.5182_b20201102
1 vendor · 6 products
References
1 links- locrian-lightning-dc7.notion.site/BufferOverflow6-19f8e5e2b1a28052bda1f6ede9db341dExploitThird Party Advisory