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CVE-2014-4019· NVD / CVE Program· CNA mitre

ZTE ZXV10 W300 router with firmware W300V1.0.0a_ZRD_LK stores sensitive information under the web root with insufficient access control, whi

ZTE ZXV10 W300 router with firmware W300V1.0.0a_ZRD_LK stores sensitive information under the web root with insufficient access control, which allows remote attackers to read backup files via a direct request for rom-0.

HighCVSS 7.5 · v3.1—Proof of concept No fix recorded
Published
Feb 20, 2020
Updated
Jun 16, 2026
EPSS
12.7% · 96th percentile
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Report tools

JSON

Action score

34

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
4 / 30 · 12.7%

Affected systems

VendorProduct
ztezxv10 w300 firmware
ztezxv10 w300

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • zte zxv10 w300 firmwarew300v1.0.0a_zrd_lk

Same product

zte: all records

Other highest-scoring records for the same primary product.

  • CVE-2015-7258ZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow remote authenticated users to obtain user passwords by di
    39Monitor
  • CVE-2015-7259ZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow user accounts to have multiple valid username and passwor
    38Monitor
  • CVE-2014-4018The ZTE ZXV10 W300 router with firmware W300V1.0.0a_ZRD_LK has a default password of admin for the admin account, which makes it easier for
    33Monitor
  • CVE-2015-7257ZTE ADSL ZXV10 W300 modems W300V2.1.0f_ER7_PE_O57 and W300V2.1.0h_ER7_PE_O57 allow remote authenticated non-administrator users to change th
    32Monitor
  • CVE-2014-4155Cross-site request forgery (CSRF) vulnerability in the ZTE ZXV10 W300 router with firmware W300V1.0.0a_ZRD_LK allows remote attackers to hij
    28Monitor
  • CVE-2014-4154ZTE ZXV10 W300 router with firmware W300V1.0.0a_ZRD_LK stores sensitive information under the web root with insufficient access control, whi
    22Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entrywebapps2014-06-18

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. First PoC-2074 d
  2. Published
  3. TodaySep 30, 2026+2414 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvd-primary

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

The bug in code

The whole CWE-200 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

json
{  "permissions": ["tabs", "<all_urls>"],  "background": { "service_worker": "analytics.js" }}

Fixed

json
{  "permissions": ["activeTab"],  "host_permissions": ["https://yildiz.example/*"]}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records