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CVE-2020-26878

33
FAUCET Score

CVE-2020-26878 is a remote command injection vulnerability affecting Ruckus IoT Module and vRIoT products up to version 1.5.1.0.21. An authenticated attacker can exploit this flaw by submitting a crafted query to the API's /service/v1/createUser endpoint, allowing arbitrary commands to be executed with root privileges. This vulnerability carries a high CVSS score of 8.8, indicating a severe risk with high impact on confidentiality, integrity, and availability, and it is easily exploitable over the network with low privileges. While there is no public exploit code available in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion and media coverage, suggesting awareness and potential for future exploitation, though it is not currently listed on the CISA KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.5.1.0.21CPE matchmatch criteria
cpe:2.3:a:commscope:ruckus_vriot:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
11.59%
Probability of exploitation in next 30 days
EPSS Percentile
95.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1159 is in the 95th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

nessuspatch availablevia llm_extracted
Fixed in: 1.1
View patch
debianvendor investigatingvia llm_extracted
View patch

Vendor Advisories (2)

debianllm-debian-5eaa1c0cdf0b8424

Ruckus IoT Controller Remote Command Execution Vulnerability (CVE-2020-26878, CVE-2020-26879)

Oct 26, 2020
nessusllm-nessus-5eadc05e9be23e5b

Ruckus IoT Controller Remote Command Execution Vulnerability (CVE-2020-26878, CVE-2020-26879)

Oct 26, 2020

References

adepts.of0x.cc
Third Party Advisory
adepts.of0x.cc / ruckus-vriot-rce
ExploitThird Party Advisory
support.ruckuswireless.com / documents
Vendor Advisory
support.ruckuswireless.com / security_bulletins/305
ProductVendor Advisory
twitter.com / TheXC3LL
Third Party Advisory
x-c3ll.github.io
Third Party Advisory