CVE-2026-8652
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAn OS Command Injection vulnerability exists in Aterm. If a malicious third person gains administrator access to the product’s web console, they may be able to execute arbitrary OS commands via adjacent network.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceOS Command Injection vulnerability in Aterm web console. An attacker with administrator-level access to the web interface can inject and execute arbitrary operating system commands through insufficient input sanitization of user-supplied parameters.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Adjacent
- Complexity
- Low
- Privileges
- High
- Authentication
- X
- User interaction
- None
- Scope
- X
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify Aterm devices in your environmentInventory network-connected devices and identify any Aterm-brand products (routers, modems, or network appliances). Check device labels, management interfaces, or network scans for 'Aterm' manufacturer identification.Affected if Aterm products are present in the network inventory
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Confirm web console is accessibleAttempt to access the Aterm device web management interface via HTTP/HTTPS on common ports (80, 443, 8080). Verify if the interface responds to requests from your current network location.Affected if The web console interface is reachable from any network segment beyond trusted administration networks
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Verify credential strengthReview or test whether default administrative credentials are still in use on the Aterm web console. Check manufacturer documentation for default username/password combinations and attempt authentication.Affected if Default credentials or weak password policies are in use, allowing unauthorized administrative access
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Assess network exposure of management interfaceDetermine if the web console is exposed to adjacent networks rather than solely to a dedicated management VLAN. Check firewall rules, ACLs, and network boundary configurations.Affected if The web management interface is accessible from network segments outside the trusted administrative network
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Check for command injection capabilityIf you have valid administrative access, examine whether the web interface contains input fields that pass parameters to underlying operating system commands (such as ping, traceroute, or diagnostic utilities). Note: Do not actively exploit; verify the presence of such features exists.Affected if The web console contains diagnostic or configuration features that process OS-level commands based on user input
Your environment is affected if you have Aterm products with an exposed web console that uses default credentials or allows administrative access from untrusted network segments.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImplement strict input validation and sanitization for all user-facing parameters in the web console, preferably using allowlists and avoiding shell command execution where possible. Restrict web console access to trusted networks and enforce strong administrator credentials.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-8652 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-8652 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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