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Vulnerabilities/CVE-2025-40603
Vulnerability dossier

CVE-2025-40603

VendorsonicwallPublishedOct 31, 2025SourceNVDWeaknessCWE-532
Monitor

Moderate risk. Patch during routine maintenance and watch for changes in exploit activity.

Severity
Medium · 4.5
CVSS base score
Exploitation
Not observed
No known exploitation or public exploit
Exploit likelihood
0.48%
Chance of exploitation in 30 days (EPSS)
Exposure
Remote (auth)
Remotely exploitable, but needs an account
01

What's the risk?

An attacker with administrative privileges, remotely over the network, if a user is tricked into opening a malicious file or link, can steal data.

A potential exposure of sensitive information in log files in SonicWall SMA100 Series appliances may allow a remote, authenticated administrator, under certain conditions to view partial users credential data.

How it's exploitedMITRE ATT&CK · inferred from weakness & vector
Execution
T1203Exploitation for Client Execution

Inferred from the weakness type (CWE) and how the flaw is reached — the techniques an attacker would chain to exploit this. Real-world corroboration appears here as threat intel is folded in.

02

Are we affected?

3
  • Affectedsonicwall · sma_210_firmware< 10.2.2.3↑ fixed 10.2.2.3
  • Affectedsonicwall · sma_410_firmware< 10.2.2.3↑ fixed 10.2.2.3
  • Affectedsonicwall · sma_500v_firmware< 10.2.2.3↑ fixed 10.2.2.3
03

What to do

Generated by Wavense from the CVE record — an immediate mitigation and the permanent fix.

Generating AI analysis…
Technical details— weakness, CVSS vector & calculator, related CVEs

Weakness

1
CWE-532Common Weakness Enumeration · MITRE definition

CVSS 3.1 details

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
0.0
/ 10.0 base
Medium severity
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Exploitability metrics
Attack VectorAV
Remotely exploitable across a network
Attack ComplexityAC
No special conditions required
Privileges RequiredPR
Administrative privileges
User InteractionUI
A user must take an action
Impact metrics
ScopeS
Impact confined to the vulnerable component
ConfidentialityC
Total loss of confidentiality
IntegrityI
No impact to integrity
AvailabilityA
No impact to availability

Related vulnerabilities

Other CVEs affecting sma 210 firmware

NVD
9.8Critical
CVE-2021-20038KEV⚙ WeaponizedExploit likely

A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server's mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a 'nobody' user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances firmware 10.2.0.8-37sv, 10.2.1.1-19sv, 10.2.1.2-24sv and earlier versions.

sonicwallCWE-121Stack-based Buffer OverflowNetworkLow effortNo authNo interactionCIA
2021-12-07
NVD
9.8Critical
CVE-2021-20028KEV

Improper neutralization of a SQL Command leading to SQL Injection vulnerability impacting end-of-life Secure Remote Access (SRA) products, specifically the SRA appliances running all 8.x firmware and 9.0.0.9-26sv or earlier

sonicwallCWE-89SQL InjectionNetworkLow effortNo authNo interactionCIA
2021-08-04
NVD
9.8Critical
CVE-2021-20016KEV

A SQL-Injection vulnerability in the SonicWall SSLVPN SMA100 product allows a remote unauthenticated attacker to perform SQL query to access username password and other session related information. This vulnerability impacts SMA100 build version 10.x.

sonicwallCWE-89SQL InjectionNetworkLow effortNo authNo interactionCIA
2021-02-04
NVD
9.1Critical
CVE-2024-38475KEVExploit likely

Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code execution or source code disclosure. Substitutions in server context that use a backreferences or variables as the first segment of the substitution are affected. Some unsafe RewiteRules will be broken by this change and the rewrite flag "UnsafePrefixStat" can be used to opt back in once ensuring the substitution is appropriately constrained.

sonicwallCWE-116Improper EncodingNetworkLow effortNo authNo interactionCIA
2024-07-01
NVD
7.2High
CVE-2023-44221KEVExploit likely

Improper neutralization of special elements in the SMA100 SSL-VPN management interface allows a remote authenticated attacker with administrative privilege to inject arbitrary commands as a 'nobody' user, potentially leading to OS Command Injection Vulnerability.

sonicwallCWE-78OS Command InjectionNetworkLow effortAdmin privNo interactionCIA
2023-12-05
NVD
6.5Medium
CVE-2021-20035KEV

Improper neutralization of special elements in the SMA100 management interface allows a remote authenticated attacker to inject arbitrary commands as a 'nobody' user which potentially leads to DoS.

sonicwallCWE-78OS Command InjectionNetworkLow effortLow privNo interactionCIA
2021-09-27
0.0
/ 10.0 base
Medium severity
Key facts
CVE ID
CVE-2025-40603
Published
Oct 31, 2025
Last modified
Oct 7, 2026
CVSS
4.5 (v3.1)
EPSS
0.48%
In CISA KEV
No
Confidence
92/100
Weakness
CWE-532
Fixed in
10.2.2.3
Timeline
  1. Oct 31, 2025Published to NVDNVD
  2. Oct 7, 2026Record last modifiedNVD
View on NVD