CVE-2025-28137A810r Firmware OS Command Injection
The TOTOLINK A810R V4.1.2cu.5182_B20201026 were found to contain a pre-auth remote command execution vulnerability in the setNoticeCfg function through the NoticeUrl parameter.
Published Apr 15, 2025 · Updated Apr 29, 2025
Key Facts
Patch immediately- CVE-2025-28137 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting A810r Firmware (Totolink).
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Apr 15, 2025. Public exploit code is available.
- EPSS estimates a 34% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
34%
Higher than 98.3% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
37/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Apr 15, 2025
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
6
Reports of active use
Description
The TOTOLINK A810R V4.1.2cu.5182_B20201026 were found to contain a pre-auth remote command execution vulnerability in the setNoticeCfg function through the NoticeUrl parameter.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Apr 15, 2025 | n/a | Not reported |
| Industry KEV feed | Apr 15, 2025 | n/a | Not reported |
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| A810r FirmwareTotolink | 4.1.2cu.5182_b20201026 | n/a |
Timeline
Publicly disclosed
Apr 15, 2025
Added to CIRCL KEV
Apr 15, 2025
Added to Industry KEV feed
Apr 15, 2025
Last updated
Apr 29, 2025
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- exploitVulnCheck exploitation report
- exploitgithub.com · CVE-2025-28137
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitsudsy-eyeliner-a59.notion.site · RCE1-1ab72b8cd95f80d09eded269810f3756
FAQ
Common Questions.
The TOTOLINK A810R V4.1.2cu.5182_B20201026 were found to contain a pre-auth remote command execution vulnerability in the setNoticeCfg function through the NoticeUrl parameter.
Affected: A810r Firmware (Totolink) versions 4.1.2cu.5182_b20201026. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Apr 15, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2025-28137 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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