diff --git a/CHANGELOG.md b/CHANGELOG.md
index abd261d8..0cf6e4c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,6 +36,7 @@ See also the [v0.107.20 GitHub milestone][ms-v0.107.20].
 
 ### Fixed
 
+- Wrong validation error messages on the DHCP configuration page ([#5208]).
 - Slow upstream checks making the API unresponsive ([#5193]).
 - The TLS initialization errors preventing AdGuard Home from starting ([#5189]).
   Instead, AdGuard Home disables encryption and shows an error message on the
@@ -46,6 +47,7 @@ See also the [v0.107.20 GitHub milestone][ms-v0.107.20].
 [#5189]: https://github.com/AdguardTeam/AdGuardHome/issues/5189
 [#5190]: https://github.com/AdguardTeam/AdGuardHome/issues/5190
 [#5193]: https://github.com/AdguardTeam/AdGuardHome/issues/5193
+[#5208]: https://github.com/AdguardTeam/AdGuardHome/issues/5208
 
 
 
diff --git a/client/src/__locales/en.json b/client/src/__locales/en.json
index 0d1bb275..1771afbd 100644
--- a/client/src/__locales/en.json
+++ b/client/src/__locales/en.json
@@ -37,8 +37,6 @@
     "dhcp_ipv6_settings": "DHCP IPv6 Settings",
     "form_error_required": "Required field",
     "form_error_ip4_format": "Invalid IPv4 address",
-    "form_error_ip4_range_start_format": "Invalid IPv4 address of the range start",
-    "form_error_ip4_range_end_format": "Invalid IPv4 address of the range end",
     "form_error_ip4_gateway_format": "Invalid IPv4 address of the gateway",
     "form_error_ip6_format": "Invalid IPv6 address",
     "form_error_ip_format": "Invalid IP address",
@@ -51,9 +49,8 @@
     "out_of_range_error": "Must be out of range \"{{start}}\"-\"{{end}}\"",
     "lower_range_start_error": "Must be lower than range start",
     "greater_range_start_error": "Must be greater than range start",
-    "greater_range_end_error": "Must be greater than range end",
     "subnet_error": "Addresses must be in one subnet",
-    "gateway_or_subnet_invalid": "Subnet mask invalid",
+    "gateway_or_subnet_invalid": "Invalid subnet mask",
     "dhcp_form_gateway_input": "Gateway IP",
     "dhcp_form_subnet_input": "Subnet mask",
     "dhcp_form_range_title": "Range of IP addresses",
diff --git a/client/src/components/Settings/Dhcp/FormDHCPv4.js b/client/src/components/Settings/Dhcp/FormDHCPv4.js
index cb371f9f..1c3d9c60 100644
--- a/client/src/components/Settings/Dhcp/FormDHCPv4.js
+++ b/client/src/components/Settings/Dhcp/FormDHCPv4.js
@@ -74,7 +74,6 @@ const FormDHCPv4 = ({
                         className="form-control"
                         placeholder={t(ipv4placeholders.subnet_mask)}
                         validate={[
-                            validateIpv4,
                             validateRequired,
                             validateGatewaySubnetMask,
                         ]}
@@ -97,7 +96,6 @@ const FormDHCPv4 = ({
                                 placeholder={t(ipv4placeholders.range_start)}
                                 validate={[
                                     validateIpv4,
-                                    validateGatewaySubnetMask,
                                     validateIpForGatewaySubnetMask,
                                 ]}
                                 disabled={!isInterfaceIncludesIpv4}
@@ -113,7 +111,6 @@ const FormDHCPv4 = ({
                                 validate={[
                                     validateIpv4,
                                     validateIpv4RangeEnd,
-                                    validateGatewaySubnetMask,
                                     validateIpForGatewaySubnetMask,
                                 ]}
                                 disabled={!isInterfaceIncludesIpv4}
diff --git a/client/src/helpers/validators.js b/client/src/helpers/validators.js
index ed274416..e7849639 100644
--- a/client/src/helpers/validators.js
+++ b/client/src/helpers/validators.js
@@ -77,11 +77,11 @@ export const validateNotInRange = (value, allValues) => {
     const { range_start, range_end } = allValues.v4;
 
     if (range_start && validateIpv4(range_start)) {
-        return 'form_error_ip4_range_start_format';
+        return undefined;
     }
 
     if (range_end && validateIpv4(range_end)) {
-        return 'form_error_ip4_range_end_format';
+        return undefined;
     }
 
     const isAboveMin = range_start && ip4ToInt(value) >= ip4ToInt(range_start);
@@ -94,14 +94,6 @@ export const validateNotInRange = (value, allValues) => {
         });
     }
 
-    if (!range_end && isAboveMin) {
-        return 'lower_range_start_error';
-    }
-
-    if (!range_start && isBelowMax) {
-        return 'greater_range_end_error';
-    }
-
     return undefined;
 };
 
@@ -118,7 +110,7 @@ export const validateGatewaySubnetMask = (_, allValues) => {
     const { subnet_mask, gateway_ip } = allValues.v4;
 
     if (validateIpv4(gateway_ip)) {
-        return 'form_error_ip4_gateway_format';
+        return 'gateway_or_subnet_invalid';
     }
 
     return parseSubnetMask(subnet_mask) ? undefined : 'gateway_or_subnet_invalid';
@@ -138,6 +130,10 @@ export const validateIpForGatewaySubnetMask = (value, allValues) => {
         gateway_ip, subnet_mask,
     } = allValues.v4;
 
+    if ((gateway_ip && validateIpv4(gateway_ip)) || (subnet_mask && validateIpv4(subnet_mask))) {
+        return undefined;
+    }
+
     const subnetPrefix = parseSubnetMask(subnet_mask);
 
     if (!isIpInCidr(value, `${gateway_ip}/${subnetPrefix}`)) {