HOMEVULNERABILITIESCVE-2016-7454
HIGHPOC

CVE-2016-7454

CWE-352Published: December 17, 2016· Updated: Jun 17, 2026

8.0
CVSS v3.1

Official Description

CSRF vulnerability on Technicolor TC dpc3941T (formerly Cisco dpc3941T) devices with firmware dpc3941-P20-18-v303r20421733-160413a-CMCST allows an attacker to change the Wi-Fi password, open the remote management interface, or reset the router.

NVD Source

Technical Analysis

CVE-2016-7454 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.0.

A proof-of-concept (PoC) exploit exists for CVE-2016-7454. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

technicolor2 product(s)
xfinity gateway router dpc3941t firmwarexfinity gateway router dpc3941t
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/94881
ADVISORYhttps://packetstormsecurity.com/files/140121/XFINITY-Gateway-Technicolor-DPC3941T-Cross-Site-Request-Forgery.html
ADVISORYhttp://www.securityfocus.com/bid/94881
ADVISORYhttps://packetstormsecurity.com/files/140121/XFINITY-Gateway-Technicolor-DPC3941T-Cross-Site-Request-Forgery.html

All References (4)

→
http://www.securityfocus.com/bid/94881Third Party Advisory · VDB Entry
→
https://packetstormsecurity.com/files/140121/XFINITY-Gateway-Technicolor-DPC3941T-Cross-Site-Request-Forgery.htmlExploit · Third Party Advisory · VDB Entry
→
http://www.securityfocus.com/bid/94881Third Party Advisory · VDB Entry
→
https://packetstormsecurity.com/files/140121/XFINITY-Gateway-Technicolor-DPC3941T-Cross-Site-Request-Forgery.htmlExploit · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2016-7454
CVSS Score8.0 / 10
SeverityHIGH
WeaknessCWE-352
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedDec 17, 2016

Related CVEs (CWE-352)

CVE-2025-23922
10.0
CVE-2025-32642
10.0
CVE-2017-5145
10.0
CVE-2017-16780
9.8
CVE-2020-23426
9.8
CVE-2016-9866
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-7454 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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