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CVE-2017-7456

CWE-20Published: April 14, 2017· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

Moxa MXView 2.8 allows remote attackers to cause a Denial of Service by sending overly long junk payload for the MXView client login credentials.

Technical Analysis

CVE-2017-7456 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

A proof-of-concept (PoC) exploit exists for CVE-2017-7456. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

moxa1 product(s)

mxview

Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://hyp3rlinx.altervista.org/advisories/MOXA-MXVIEW-v2.8-DENIAL-OF-SERVICE.txt

ADVISORYhttp://seclists.org/fulldisclosure/2017/Apr/50

ADVISORYhttp://hyp3rlinx.altervista.org/advisories/MOXA-MXVIEW-v2.8-DENIAL-OF-SERVICE.txt

ADVISORYhttp://seclists.org/fulldisclosure/2017/Apr/50

All References (6)

→

http://hyp3rlinx.altervista.org/advisories/MOXA-MXVIEW-v2.8-DENIAL-OF-SERVICE.txtExploit · Third Party Advisory

→

http://seclists.org/fulldisclosure/2017/Apr/50Exploit · Mailing List · Third Party Advisory

→

https://www.exploit-db.com/exploits/41851/

→

http://hyp3rlinx.altervista.org/advisories/MOXA-MXVIEW-v2.8-DENIAL-OF-SERVICE.txtExploit · Third Party Advisory

→

http://seclists.org/fulldisclosure/2017/Apr/50Exploit · Mailing List · Third Party Advisory

→

https://www.exploit-db.com/exploits/41851/

Quick Facts

CVE IDCVE-2017-7456

CVSS Score7.5 / 10

SeverityHIGH

WeaknessCWE-20

CISA KEVNo

ExploitPOC

Affected1 vendor(s)

PublishedApr 14, 2017

Related CVEs (CWE-20)

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2017-7456 in threat intel feeds
→Review IDS/IPS signatures for exploitation attempts

Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.

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