CVE-2015-8231
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 · uneditedHuawei eSpace 7910 and 7950 IP phones with software before V200R002C00SPC800 allow remote attackers with established sessions to cause a denial of service (device restart) via unspecified packets.
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 confidenceThis vulnerability in Huawei eSpace 7910 and 7950 IP phones allows remote attackers with established sessions to send unspecified packets that cause device restart (denial of service). The issue affects firmware versions prior to V200R002C00SPC800. The attack requires an authenticated session, lowering but not eliminating exploitability.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= v200r002c00spc100= v200r002c00spc101= v200r002c00spc300= v200r002c00spc600= v200r002c00spc700= v200r002c00spc100= v200r002c00spc101= v200r002c00spc300= v200r002c00spc600= v200r002c00spc700CVSS 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 the IP phone modelLocate the device label or access the phone's web interface or admin menu to confirm whether the device is an Huawei eSpace 7910 or 7950.Affected if The device model is eSpace 7910 or eSpace 7950.
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Determine the installed firmware versionAccess the phone's web administration interface, admin menu, or SIP settings page to view the current firmware version. Compare this to the affected version list.Affected if The firmware version is V200R002C00SPC100, V200R002C00SPC101, V200R002C00SPC300, V200R002C00SPC600, or V200R002C00SPC700.
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Check if remote management or web admin interface is exposedReview network configuration to determine whether the phone's web administration interface or management port is accessible from untrusted networks.Affected if The management interface is reachable from networks outside the trusted management zone.
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Verify session authentication controlsReview whether strong session authentication is enforced for admin access and whether sessions can be hijacked or brute-forced.Affected if Weak or no authentication is required for administrative sessions, or sessions are transmitted over unencrypted channels.
A user is affected if they have a Huawei eSpace 7910 or 7950 phone running firmware version SPC100, SPC101, SPC300, SPC600, or SPC700 with exposed management interfaces.
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 dataUpgrade phone firmware to V200R002C00SPC800 or later. Additionally, restrict network access to IP phone management interfaces to trusted users and sessions only.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2015-8231 — 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-2015-8231 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
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