CVE-2025-28033
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 were found to contain a pre-auth buffer overflow…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 were found to contain a pre-auth buffer overflow vulnerability in the setNoticeCfg function through the IpTo parameter.
- CVSS 3.1
- 7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 0.38% probability · 31th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-121
- Affected
- totolink/a800r firmware · totolink/a810r firmware · totolink/a830r firmware · totolink/a950rg firmware · totolink/a3000ru firmware · totolink/a3100r firmware
- Source
- cve@mitre.org
References
- https://locrian-lightning-dc7.notion.site/BufferOverflow7-1a98e5e2b1a280708d6ec6155ce88d8cExploit, Third Party Advisory
- https://locrian-lightning-dc7.notion.site/CVE-2025-28033-BufferOverflow7-1a98e5e2b1a280708d6ec6155ce88d8cExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.