Advisory further TTPs associated with SVR cyber actors
Mentions the CVE; no further detail.
CVE-2019-1653 KEVPublic exploit High · 7.5 EPSS 99.9%
Cisco Small Business RV320 and RV325 Routers Information Disclosure Vulnerability
Cisco · Small Business RV320 and RV325 Routers
Summary
The web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers contains an information disclosure flaw caused by improper access controls on certain URLs. An unauthenticated remote attacker who can reach the device over HTTP or HTTPS can request those specific URLs to download the router configuration or detailed diagnostic information, with no user interaction or prior authentication needed.
Official description · NVD
A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an unauthenticated, remote attacker to retrieve sensitive information. The vulnerability is due to improper access controls for URLs. An attacker could exploit this vulnerability by connecting to an affected device via HTTP or HTTPS and requesting specific URLs. A successful exploit could allow the attacker to download the router configuration or detailed diagnostic information. Cisco has released firmware updates that address this vulnerability.
Priority scorePatchfirst’s 0 to 100 ranking. It adds points for CISA KEV listing, ransomware use, EPSS, threat reports, public exploit code and CVSS. Every CVE page shows the breakdown. Breakdown
72.1 / 100
- Exploited
- Yes, in CISA KEV
- Reports
- 1
- Tactics
- 3/15
How an attack unfolds
Based on MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. mappings. Select a step to see the evidence.How attackers get in
What they do
What can follow
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
First seen exploited 14 months after disclosure. Public exploit code (Metasploit) was available 5 months before disclosure.
- Public exploit codeMetasploit5 mo before
- Disclosedday 0
- First seen exploitedVulnCheck KEV evidence+14 mo
- Added to CISA KEVEU database agrees+3 yrs
CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.
Patch historyEarlier and later CVEs in the same code, in date order. It shows when a fix was bypassed or incomplete and which version finally fixed it.
2 related vulnerabilities in the same code over 17 months.
Linked vulnerabilitiesLinked by evidence that a fix failed or the same code was patched again. Oldest first.
- This CVECVE-2019-1653Small Business RV320 and RV325 Routers Information Disclosure24 Jan 2019KEV
relatedLow
Why these are linked: Link confidenceHow strong the evidence is that two CVEs are related. High: stated in the CVE text or linked in an advisory, or the same code was patched one release apart. Medium: the same code, or a version step plus a similar description. Low: similar description only.
- Stated in the CVE text
This is similar to CVE-2019-1653.
- Stated in the CVE text
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
4 TechniqueOne specific attacker behaviour in MITRE ATT&CK, such as T1190 “Exploit Public-Facing Application”. IDs with a dot, like T1059.004, are sub-techniques., grouped by TacticThe attacker’s goal at a stage of an attack in MITRE ATT&CK, such as Initial Access or Persistence. Each technique belongs to one or more tactics. in kill-chain order 4Initial AccessTA0001
MITRE CTID mapping of the KEV entry · how it is exploited
CVE-2019-1653 is a critical information disclosure vulnerability affecting Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers. This vulnerability allows unauthenticated, remote attackers to access sensitive information from affected devices.
DiscoveryTA0007
System Service Discovery T1007
MITRE CTID mapping of the KEV entry · follow-on activity
MITRE CTID mapping of the KEV entry · primary impact
CollectionTA0009
Data from Local System T1005
MITRE CTID mapping of the KEV entry · follow-on activity
Detection
0 rules for this CVE · 207 general rules for its techniquesRules for this CVE
0Sigma ruleAn open, vendor-neutral detection rule for log data. Security teams convert Sigma rules into searches for their own SIEM. that reference CVE-2019-1653 directly.CVE-specific rules are not available in this build. Search SigmaHQ ↗
General rules for this CVE’s techniques
These detect the technique in general, not this specific vulnerability.
Exploit Public-Facing ApplicationT1190149 general rules
- Arcadyan Router Exploitationscriticaltest
- Citrix ADS Exploitation CVE-2020-8193 CVE-2020-8195criticaltest
- Citrix Netscaler Attack CVE-2019-19781criticaltest
- Confluence Exploitation CVE-2019-3398criticaltest
- CVE-2010-5278 Exploitation Attemptcriticaltest
- CVE-2020-0688 Exchange Exploitation via Web Logcriticaltest
- CVE-2020-10148 SolarWinds Orion API Auth Bypasscriticaltest
- CVE-2020-5902 F5 BIG-IP Exploitation Attemptcriticaltest
System Information DiscoveryT108233 general rules
- HackTool - PCHunter Executionhightest
- HackTool - winPEAS Executionhightest
- HackTool - WinPwn Executionhightest
- HackTool - WinPwn Execution - ScriptBlockhightest
- Network Reconnaissance Activityhightest
- Potential GobRAT File Discovery Via Grephightest
- Suspicious Kernel Dump Using Dtracehightest
- Bitbucket User Details Export Attempt Detectedmediumtest
System Service DiscoveryT100711 general rules
- HackTool - PCHunter Executionhightest
- ESXi Network Configuration Discovery Via ESXCLImediumtest
- ESXi Storage Information Discovery Via ESXCLImediumtest
- ESXi System Information Discovery Via ESXCLImediumtest
- ESXi VM List Discovery Via ESXCLImediumtest
- ESXi VSAN Information Discovery Via ESXCLImediumtest
- Potential Configuration And Service Reconnaissance Via Reg.EXEmediumtest
- Potential Registry Reconnaissance Via PowerShell Scriptmediumtest
Data from Local SystemT100514 general rules
- OpenCanary - SMB File Open Requesthightest
- Potential Conti Ransomware Database Dumping Activity Via SQLCmdhightest
- SQLite Chromium Profile Data DB Accesshightest
- SQLite Firefox Profile Data DB Accesshightest
- VeeamBackup Database Credentials Dump Via Sqlcmd.EXEhightest
- Script Interpreter Spawning Credential Scanner - Linuxhighexperimental
- Script Interpreter Spawning Credential Scanner - Windowshighexperimental
- Shai-Hulud NPM Package Malicious Exfiltration via Curlhighexperimental
Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.
What security researchers reported
Named in 1 threat report1 reportNCSC UK
Reports are matched by finding the exact id CVE-2019-1653 in their text; nobody has reviewed the match. One passage is shown per report, at most 320 characters, linked to the original.
Also mentioned in 50 community threat pulses (AlienVault OTX)
Weaker evidencePulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.
- Actively_Exploited_Kev | Oct 29, 202628 Oct 2026
- Actively_Exploited_Kev | Oct 28, 202627 Oct 2026
- Actively_Exploited_Kev | Oct 27, 202626 Oct 2026
- Actively_Exploited_Kev | Oct 24, 202623 Oct 2026
- Actively_Exploited_Kev | Oct 23, 202622 Oct 2026
- Actively_Exploited_Kev | Oct 22, 202621 Oct 2026
- 44 more on OTX