Is CVE-2026-20910 actively exploited?

No active exploitation of CVE-2026-20910 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-20910 be exploited remotely?

Yes. CVE-2026-20910 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-20910?

CVE-2026-20910 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2026-20910

HIGH

CVE-2026-20910

CWE-78Published: February 27, 2026· Updated: Feb 27, 2026

8.8

CVSS v3.1

EPSS:0.20%probability of exploitation in 30 daysPercentile:41.6th

Official Description

An OS command injection

vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an

authenticated attacker to achieve remote code execution on the system by

injecting malicious input into the devices field of the firmware update

update action to achieve remote code execution.

NVD Source

Technical Analysis

CVE-2026-20910 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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 8.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.Low

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected Vendors & Products

copeland6 products

xweb 300d pro firmwarexweb 300d proxweb 500d pro firmwarexweb 500d proxweb 500b pro firmwarexweb 500b pro

Source: NVD CPE · 6 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

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

Official Patches & Advisories

ADVISORYhttps://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json

ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10

News & Research Mentioning CVE-2026-20910

Copeland XWEB and XWEB Pro

CISA Alerts· Feb 26, 2026

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to bypass authentication, cause a denial-of-service condition, cause memory corruption, and execute arbitrary code. The following versions of Copeland XWEB and XWEB Pro are affected: XWEB 300D PRO <=1.12.1 (CVE-2026-25085, CVE-2026-21718, CVE-2026-24663, CVE-2026-21389, CVE-2026-25111, CVE-2026-20742, CVE-2026-24517, CVE-2026-25195, CVE-2026-20910, CVE-2026-24689, CVE-2026-25109, CVE-2026-20902, CVE-2026-24695, CVE-2026-25105, CVE-2026-24452, CVE-2026-23702, CVE-2026-25721, CVE-2026-20764, CVE-2026-25196, CVE-2026-25037, CVE-2026-22877, CVE-2026-20797, CVE-2026-3037) XWEB 500D PRO <=1.12.1 (CVE-2026-25085, CVE-2026-21718, CVE-2026-24663, CVE-2026-21389, CVE-202 [xlite_meta score:69 src:CISA Alerts xlite_fp:3a174986454bd0c7cf4f73b3a9d9924250e5f4c21a35442f9444ece8844eacee]