CVE-2025-28027

7.3 HIGH 0.4% exploit odds No fix listed Memory safety Device

What it is

TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 was found to contain a buffer overflow vulnerability in downloadFile.cgi.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2025-04-22 18:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 09:04 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.4% in the next 30 days (EPSS).
Severity: 7.3 HIGH (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2025-04-22 18:15 UTC
Last modified: 2026-06-17 09:04 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-121
Record status: Analyzed

Affected

Totolink a830r Firmware 4.1.2cu.5182_b20201102
Totolink a950rg Firmware 4.1.2cu.5161_b20200903
Totolink a3000ru Firmware 5.9c.5185_b20201128
Totolink a3100r Firmware 4.1.2cu.5247_b20211129

Attack profile CVSS 3.1 · 7.3

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2025-28027.md and follow it. Check whether this project is affected by CVE-2025-28027. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record