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CVE-2018-7363

INDEX BUILT · 2026-09-20

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All versions up to V1.1.10P3T18 of ZTE ZXHN F670 product are impacted by improper authorization vulnerability

CVE-2018-73634 of 4 sources documented this
24

rank 24 = 0 + 22 + 0 + 2 + 0

rank@v1 · backlog

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.00878  ·  without this subject the record ranks 24

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 8.8, from NVD  ·  without this subject the record ranks 2

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 24

How much of the world it touches

NVD CPE configurations

1 product in the CPE ranges  ·  without this subject the record ranks 22

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 24

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$10,500over the next 30 days, if this record is yours
Movementno material movementthe record holds only daily drift and scoring model releases
Basisassumeda published average, not your estate

$10,500 = $4.99M incident cost x 0.24048551839932833 exposure x 0.00878 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.00878EPSSNOT IN KEVas of 2026-09-20
Severity4.3 MEDIUMreceipt
Harmpartial impactreceipt
Exploitationnone in held sources
Defenseunaffected versions publishedreceipt
Movementrisenreceipt
PLATEAU10Minimal movement since 2021-04-14, 1971 days at 0.01, as of 2026-09-06. arc-rules@v1

Foresight · where to check next

CVE-2021-40655Agile PLMFortinet FortiOS,Apple iOSFacebook WhatsAppIvanti MobileIron7363

This record is one instance of CWE-863, incorrect authorization. The index holds 4015 prior instances of this class, 21 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1

Full pattern panel

Prior records in this weakness class. Each is its own record, dated and receipted.
Color is a claim, not decoration:the hostile worldthe defenseno signalspoke length is how much of the record matches, not how bad it is

Sources disagree here.

Severity score
Zte4.3 MEDIUMreceipt
NVD8.8 HIGHreceipt
What it costs
ZtePartial confidentiality lossreceipt
NVDComplete confidentiality, integrity and availability lossreceipt

Both shown, dated. We don't pick winners. disagreement-rules@v1

Running ZTE ZXHN F670? Check your version

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachreachable from an adjacent network · no privileges required · no user interaction · low attack complexityreceipt
ImpactPartial confidentiality lossreceipt
Scored fromCVSS v3.0 · the CNA's vectorreceipt
Weakness classCWE-863 Incorrect Authorizationreceipt
Published consequencesCWE-863: Confidentiality: Read Application Data, Read Files or Directories; Integrity: Modify Application Data, Modify Files or Directories…[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

First unaffected version, by branchzxhn f670 firmware 1.1.10p3t18receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, the CNA4.3 MEDIUMreceipt
CVSS, NVD8.8 HIGHreceipt
Exploit probability0.00878 · top 43% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned byztereceipt
Recorded changes13 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productZTE ZXHN F670receipt
Published rangeszte zxhn f670 firmware < 1.1.10p3t18receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

All versions up to V1.1.10P3T18 of ZTE ZXHN F670 product are impacted by improper authorization vulnerability. Since appviahttp service has no authorization delay, an attacker can be allowed to brute force account credentials. receipt

NVD's analysis a second authority

severity
8.8 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
weakness
CWE-863
affected versions
zte zxhn f670 firmware < 1.1.10p3t18
also scored by
[email protected] 4.3 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

The CNA scored it 4.3 and NVD 8.8. Both are shown because both were published; we do not pick one.

check it yourself support.zte.com.cn receipt

Movement the material steps

14 Apr 20210.00416
7 Mar 20230.0012 · scoring model v2023.03.01
17 Mar 20250.00079 · scoring model v2025.03.14
15 Jun 20260.00878 · scoring model v2026.06.15
6 Sep 20260.00878
Show all 13 observations
14 Apr 20210.00416
4 Feb 20220.00885
7 Mar 20230.0012
8 Mar 20230.00120
17 Mar 20250.00079
29 Mar 20250.00197
30 Mar 20250.00079
2 Jun 20260.00074
15 Jun 20260.00878
23 Aug 20260.00748
30 Aug 20260.00878
5 Sep 20260.00748
6 Sep 20260.00878

13 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.00878Published2018-11-16Index as of2026-09-06

The record had been public for 7 years, 9 months when this index was last written.

Published 2018-11-16 receipt · Index as of 2026-09-06 derived

The pattern, elsewhere

This record is one instance of CWE-863, incorrect authorization. The index holds 4015 prior instances of this class, 21 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2021-40655matches 6 of 8KEV listed · 2021receipt
CVE-2024-21287 · Oracle Agile PLM Frameworkmatches 6 of 9KEV listed · 2024receipt
CVE-2018-13382 · Fortinet FortiOS, FortiProxymatches 5 of 9KEV listed · 2019receipt
CVE-2025-24200 · Apple iOS and iPadOSmatches 5 of 9KEV listed · 2025receipt
CVE-2025-55177 · Facebook WhatsApp Desktop for Macmatches 5 of 9KEV listed · 2025receipt
CVE-2023-38035 · Ivanti MobileIron Sentrymatches 4 of 9KEV listed · 2023receipt

"Matches n of m" counts the attributes the two records can both be compared on: the CVSS metrics they share a version of, any weakness class beyond this one, and the vendor. fit-rules@v1

4015 records in this class held. The six above are drawn from the ones CISA has listed as exploited, ranked by how much of the record matches this one. That is why every one of them is KEV-listed: the pool is, so the colour on those spokes says nothing the pool has not already said.

No curated product neighbourhood is held for this product, so the records above are the nearest this index can name. The neighbourhood table covers a small set of products and is extended by hand.

Siblings and hubs

Records related to this one

Fixed with these, by one advisory

Listed because one advisory covers them, not because they are the same defect. Each record's own state is on its own page.

Grouping: held values

Browse the index from here

These are index-wide views, not findings about CVE-2018-7363.

What usually comes next

Everything above needs no account. What is below is work: assembling it, scoping it to your estate, watching it, and handing it to someone else.

Everything on this page is free. Public data. Withholding it protects nothing.