CVE-2023-7311
High PUBLISHEDBYTEVALUE Intelligent Flow Control Router Command Injection
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
BYTEVALUE Intelligent Flow Control Router contains a command injection vulnerability via the /goform/webRead/open endpoint. The `path` parameter is not properly validated and is echoed into a shell context, allowing an attacker to inject and execute arbitrary shell commands on the device. Successful exploitation can lead to writing backdoors, privilege escalation on the host, and full compromise of the router and its management functions. VulnCheck has observed this vulnerability being targeted by the RondoDox botnet campaign.
- CVE Published
- Oct 15, 2025
- Exploitation Reported
- May 22, 2026
- CVSS
- 9.3 Critical
- EPSS
- 1.9%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| BYTEVALUE (Luoyang Baiwei Intelligent Technology Co., Ltd.) |
Flow Control Router
|
* |
Affected |
CVE References
- Third-Party Advisory — vulncheck.com vulncheck.com · Third-Party Advisory https://www.vulncheck.com/advisories/bytevalue-intelligent-flow-contr...
- GitHub — adysec/nuclei_poc github.com · Exploit https://github.com/adysec/nuclei_poc/blob/49c283b2bbb244c071786a2b768...
- Exploit — isc.sans.edu isc.sans.edu · Exploit https://isc.sans.edu/diary/Exploit+against+Unnamed+Bytevalue+router+v...
- Exploit — blog.csdn.net blog.csdn.net · Exploit https://blog.csdn.net/zkaqlaoniao/article/details/134328873
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2026-05-22 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Exploitation Status
Exploited in the wild
Recorded 2026-05-22 00:00:00 UTC · The Shadowserver
Weaknesses (CWE)
-
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC 2 months ago00:00 UTC · 2 months ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
01:19 UTC 9 months ago01:19 UTC · 9 months ago
CVE published
Vulnerability disclosed publicly
-
20:19 UTC 9 months ago20:19 UTC · 9 months ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2023-7311
{
"cve_id": "CVE-2023-7311",
"title": "BYTEVALUE Intelligent Flow Control Router Command Injection",
"affected_vendor": "BYTEVALUE (Luoyang Baiwei Intelligent Technology Co., Ltd.)",
"affected_product": "Flow Control Router",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 9.3,
"epss_score": 0.01932,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}