Smart+: Use of Default Credentials
CVE-2026-26341 is a critical-severity use of default credentials vulnerability in Smart+ from Tattile s.r.l., with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Smart+ versions: 1.181.5 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 2.89% chance of exploitation within 30 days, higher than 87% of scored CVEs.
Critical severity: a successful attack would have severe impact.
What to do
- Check which version of Smart+ you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Tattile s.r.l. | Smart+ | 1.181.5 and earlier | Not stated |
| Tattile s.r.l. | Tolling+ | 1.181.5 and earlier | Not stated |
| Tattile s.r.l. | Smart+ Speed | 1.181.5 and earlier | Not stated |
| Tattile s.r.l. | Smart+ Traffic Light | 1.181.5 and earlier | Not stated |
| Tattile s.r.l. | Axle Counter | 1.181.5 and earlier | Not stated |
| Tattile s.r.l. | Vega53 | 1.181.5 and earlier | Not stated |
| Tattile s.r.l. | Vega33 | 1.181.5 and earlier | Not stated |
| Tattile s.r.l. | Vega11 | 1.181.5 and earlier | Not stated |
| Tattile s.r.l. | Basic MK2 | 1.181.5 and earlier | Not stated |
| Tattile s.r.l. | ANPR Mobile | 1.181.5 and earlier | Not stated |
| Tattile | Smart+ Firmware | 1.181.5 and earlier | Not stated |
| Tattile | Tolling+ Firmware | 1.181.5 and earlier | Not stated |
| Tattile | Smart+ Speed Firmware | 1.181.5 and earlier | Not stated |
| Tattile | Smart+ Traffic Light Firmware | 1.181.5 and earlier | Not stated |
| Tattile | Axle Counter Firmware | 1.181.5 and earlier | Not stated |
| Tattile | Vega53 Firmware | 1.181.5 and earlier | Not stated |
| Tattile | Vega33 Firmware | 1.181.5 and earlier | Not stated |
| Tattile | Vega11 Firmware | 1.181.5 and earlier | Not stated |
| Tattile | Basic Mk2 Firmware | 1.181.5 and earlier | Not stated |
| Tattile | Anpr Mobile Firmware | 1.181.5 and earlier | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 9.3 | Critical | CNA (vulncheck.com) |
| CVSS 3.1 | 9.8 | Critical | NVD |
Official description
Tattile Smart+, Vega, and Basic device families firmware versions 1.181.5 and prior ship with default credentials that are not forced to be changed during installation or commissioning. An attacker who can reach the management interface can authenticate using the default credentials and gain administrative access, enabling unauthorized access to device configuration and data.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Use of Default Credentials
The product uses default credentials (such as passwords or cryptographic keys) for potentially critical functionality.
How developers prevent this class of flaw
- Prohibit use of default, hard-coded, or other values that do not vary for each installation of the product - especially for separate organizations.
- Force the administrator to change the credential upon installation.
- The product administrator could change the defaults upon installation or during operation.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: yes, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- vulncheck.com/advisories/tattile-smart-vega-basic-default-credentialsThird Party Advisory, VDB Entry
Technical write-ups (may include proof of concept)
- zeroscience.mk/en/vulnerabilities/ZSL-2026-5977.phpExploit, Third Party Advisory
Other references
- tattile.com/Product
Other vulnerabilities in Smart+
- 9.8 Critical severity
- 7.5 High severity
Recent Use of Default Credentials vulnerabilities
- 9.8 Critical severity
- 8.4 High severity
- 7.5 High severity
- 8.1 High severity
- 8.8 High severity
- 8.8 High severity
Spotted an error? Tell us.