HOMEVULNERABILITIESCVE-2022-26952
HIGH

CVE-2022-26952

CWE-787Published: April 6, 2022· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Digi Passport Firmware through 1.5.1,1 is affected by a buffer overflow in the function for building the Location header string when an unauthenticated user is redirected to the authentication page.

NVD Source

Technical Analysis

CVE-2022-26952 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.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

digi2 product(s)
passport firmwarepassport
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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

PATCHhttps://hub.digi.com/support/products/infrastructure-management/digi-passport/
PATCHhttps://hub.digi.com/support/products/infrastructure-management/digi-passport/
ADVISORYhttps://github.com/X-C3LL/PoC-CVEs/blob/master/CVE-2022-26952%20%26%20CVE-2022-26953/readme.md
ADVISORYhttps://hub.digi.com/dp/path=/support/asset/digi-passport-1.5.2-firmware-release-notes/
ADVISORYhttps://github.com/X-C3LL/PoC-CVEs/blob/master/CVE-2022-26952%20%26%20CVE-2022-26953/readme.md
ADVISORYhttps://hub.digi.com/dp/path=/support/asset/digi-passport-1.5.2-firmware-release-notes/

All References (6)

→
https://github.com/X-C3LL/PoC-CVEs/blob/master/CVE-2022-26952%20%26%20CVE-2022-26953/readme.mdExploit · Third Party Advisory
→
https://hub.digi.com/dp/path=/support/asset/digi-passport-1.5.2-firmware-release-notes/Release Notes · Vendor Advisory
→
https://hub.digi.com/support/products/infrastructure-management/digi-passport/Patch · Product · Vendor Advisory
→
https://github.com/X-C3LL/PoC-CVEs/blob/master/CVE-2022-26952%20%26%20CVE-2022-26953/readme.mdExploit · Third Party Advisory
→
https://hub.digi.com/dp/path=/support/asset/digi-passport-1.5.2-firmware-release-notes/Release Notes · Vendor Advisory
→
https://hub.digi.com/support/products/infrastructure-management/digi-passport/Patch · Product · Vendor Advisory

Quick Facts

CVE IDCVE-2022-26952
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedApr 6, 2022

Related CVEs (CWE-787)

CVE-2013-5610
10.0
CVE-2014-1478
10.0
CVE-2012-3957
10.0
CVE-2011-1807
10.0
CVE-2012-0751
10.0
CVE-2015-5105
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-26952 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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