CVE-2024-26258
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 · uneditedOS command injection vulnerability in ELECOM wireless LAN routers allows a network-adjacent attacker with credentials to execute arbitrary OS commands by sending a specially crafted request to the product.
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 · high confidenceOS command injection vulnerability in ELECOM wireless LAN routers allows an authenticated, network-adjacent attacker to execute arbitrary OS commands by sending a specially crafted request. The attacker requires valid credentials to access the router's management interface, then injects malicious commands through insufficient input validation in the web request handling.
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
- High
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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 ELECOM wireless LAN router in useCheck the device model by logging into the web management interface, or inspect the device label. Look for ELECOM brand and note the exact model number (e.g., WRC-X300 series, WRP series, or similar ELECOM router models).Affected if The device is an ELECOM wireless LAN router with web management functionality.
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Determine firmware versionLog into the router web interface and navigate to System Status, Firmware Update, or Settings page to locate the firmware version number. Compare this version against any vendor release notes or security advisories for CVE-2024-26258.Affected if Firmware version is unpatched and matches a version affected by this vulnerability (verify against ELECOM security advisories).
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Verify management interface accessibilityCheck if the router web management interface (typically HTTP/HTTPS on ports 80/443) is accessible from untrusted networks. Use a browser or curl from an external network to confirm whether the login page is reachable.Affected if The management interface is exposed to untrusted or public networks rather than being restricted to a trusted LAN.
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Confirm credential statusCheck whether the router is using default administrative credentials (commonly admin/admin, admin/password, or similar ELECOM defaults). Attempt to log in with default credentials or review configuration for unchanged passwords.Affected if Default credentials remain in use, allowing authenticated exploitation of the command injection flaw.
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Inspect for signs of compromiseReview router logs for unexpected commands, unfamiliar scripts, or suspicious network activity. Check for new user accounts, unexpected port forwards, or modified network settings through the web interface.Affected if Router logs or configuration show evidence of unauthorized command execution or unexpected changes.
A user is affected if they have an ELECOM wireless LAN router running a vulnerable firmware version with the management interface accessible to an attacker who possesses valid credentials (especially default credentials).
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 dataApply vendor firmware updates when available; if no patch exists, restrict management interface access to trusted networks only and consider replacing affected devices. Verify all management credentials have been changed following remediation.
- Consultation4.0 h
- Implementation3.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-26258 — 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-2024-26258 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data